
In 1944, the Supreme Court ruled in Korematsu v. United States that the government's use of Japanese internment camps during World War II was constitutional. This decision, written by Justice Hugo Black, was controversial as it was the first time the Supreme Court ruled on racial discrimination based on the strict scrutiny standard, justifying the use of internment camps over individual rights. Fred Korematsu, a Japanese-American, refused to leave his city and go to an internment camp, arguing that Executive Order 9066 violated his Fifth Amendment rights to due process and equal protection. Despite his arguments, the Supreme Court upheld his conviction and the constitutionality of the internment program, setting a precedent that has since been criticised and repudiated.
| Characteristics | Values |
|---|---|
| Date | December 18, 1944 |
| Decision | The Supreme Court ruled that the government's use of Japanese internment camps during World War II was constitutional |
| Reasoning | The Court placed national security above the protection of citizens, even with laws "curtailing the civil rights of a single racial group" |
| Dissent | Justice Jackson wrote that the case had "no place in law under the Constitution" |
| Overturned | Yes, in 2018 |
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What You'll Learn
- The case ruled that the US government's use of Japanese internment camps during World War II was constitutional
- The ruling upheld the conviction of Fred Korematsu, a Japanese-American who refused to relocate
- Korematsu argued that Executive Order 9066 violated his Fifth Amendment rights to due process and equal protection
- The ruling has been criticised as a gross violation of civil rights and an example of institutionalised racism and xenophobia
- The Supreme Court's decision was based on the premise that the government's need to protect against potential espionage and sabotage during wartime outweighed individual liberties

The case ruled that the US government's use of Japanese internment camps during World War II was constitutional
The Korematsu v. United States case of 1944 is considered one of the most controversial decisions made by the US Supreme Court. The case ruled that the US government's use of Japanese internment camps during World War II was constitutional. This decision was based on the premise that the government's need to protect against potential espionage and sabotage during wartime outweighed individual liberties. Fred Korematsu, a 23-year-old Japanese-American, refused to obey the order to relocate, violating Civilian Exclusion Order No. 34 of the US Army. He argued that Executive Order 9066, issued by President Franklin D. Roosevelt, violated his constitutional rights, specifically his Fifth Amendment rights to due process and equal protection. Korematsu was convicted and his conviction was affirmed by the Court of Appeals for the Ninth Circuit. The Supreme Court, in a 6-3 decision, upheld his conviction and the constitutionality of internment camps, citing "military necessity" and national security as the primary reasons.
Korematsu's argument for his refusal to relocate was based on the violation of his personal rights as specified by the Fifth Amendment to the US Constitution. This Amendment states that no person shall be deprived of life, liberty, or property without due process of law. Korematsu claimed that he was being deprived of his right to live freely without the appropriate legal process. He also compared the treatment of Japanese Americans with the treatment of Americans of German and Italian ancestry, highlighting that race played a significant role in the exclusion orders.
The Supreme Court's decision has been widely criticized for being a gross violation of civil rights. The strict scrutiny standard applied by the Court to justify the use of internment camps has been discredited, with Justice Jackson calling the decision "gravely wrong" and asserting that it had "no place in law under the Constitution." The ruling was finally overturned in 2018. The case has been recognized as a clear example of institutionalized racism and xenophobia, with Congress apologizing for the evacuation, relocation, and internment of Japanese Americans and permanent resident aliens.
The Korematsu decision set a precedent for judicial review, establishing the "strict scrutiny" doctrine for laws targeting suspect groups. Justice Hugo Black, who wrote the majority decision, included a debated paragraph acknowledging that laws curtailing the civil rights of a single racial group are immediately suspect. However, he also argued that pressing public necessity may justify such restrictions, a premise that has been strongly contested.
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The ruling upheld the conviction of Fred Korematsu, a Japanese-American who refused to relocate
Fred Korematsu was a 23-year-old Japanese-American man who refused to leave his residence in San Leandro, California, and relocate to a Japanese internment camp, despite being ordered to do so. He underwent plastic surgery to conceal his identity and was eventually arrested for violating Civilian Exclusion Order No. 34 of the U.S. Army.
Korematsu argued that Executive Order 9066, which authorized the internment of individuals with "Foreign Enemy Ancestry," violated his Fifth Amendment rights to due process and equal protection under the United States Constitution. He claimed that he was being deprived of his right to live freely without the appropriate legal process. Korematsu's defence also compared the treatment of Japanese Americans to that of Americans of German and Italian ancestry, suggesting that race, not emergency, led to the exclusion order.
Despite Korematsu's arguments, the Supreme Court upheld his conviction and the constitutionality of the internment program. The Court ruled that the government's need to protect against potential espionage and sabotage during wartime outweighed Korematsu's individual liberties. This decision has been widely criticized for being a gross violation of civil rights and a clear example of institutionalized racism and xenophobia.
Justice Hugo Black, who wrote the majority opinion, argued that the validation of the military's decision by Congress merited deference. He claimed that the United States military was acting properly due to the fear of a possible invasion from Japan, and this temporary segregation of Japanese Americans was ruled constitutional based on "military urgency."
The ruling in Korematsu v. United States has had a significant impact and has been the subject of harsh criticism. It was not overruled by the Supreme Court until 2018. The case is often referenced as a shameful precedent and a "'legalization of racism,'" demonstrating the Court's willingness to place national security above the protection of civil rights, particularly for minority groups.
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Korematsu argued that Executive Order 9066 violated his Fifth Amendment rights to due process and equal protection
Fred Korematsu was a 23-year-old Japanese-American man who refused to leave his residence in California and relocate to an internment camp, violating Civilian Exclusion Order No. 34 of the U.S. Army. He argued that Executive Order 9066, which authorized his exclusion and internment, violated his Fifth Amendment rights to due process and equal protection under the United States Constitution.
Korematsu's defence centred on the Fifth Amendment, which states that no person shall be "deprived of life, liberty, or property without due process of law". He claimed that his right to live freely was being infringed upon without the appropriate legal process. Korematsu also argued that the internment order violated his right to equal protection, as it discriminated against him based on his race. He compared the treatment of Japanese Americans with the treatment of Americans of German and Italian ancestry, asserting that the exclusion order was motivated by racial discrimination rather than military necessity.
The Fifth Amendment was chosen over the Fourteenth Amendment due to the lack of federal protections in the latter. Korematsu's case eventually reached the Supreme Court, which upheld his conviction and the constitutionality of the internment program. The Court's decision, written by Justice Hugo Black, found that the government's need to protect against potential espionage and sabotage during wartime outweighed Korematsu's individual liberties. The Court applied the strict scrutiny standard, which meant that they interpreted the law strictly to justify the use of internment camps as necessary for national security.
However, the Korematsu decision has been widely criticized for being a gross violation of civil rights and a shameful example of institutionalized racism and xenophobia. Justice Jackson's dissent in 1944 stated that the case had "no place in law under the Constitution". In subsequent years, Congress apologized for the internment of Japanese Americans and provided restitution payments to survivors. The Korematsu decision was finally overturned in 2018, officially repudiating the precedent it had set.
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The ruling has been criticised as a gross violation of civil rights and an example of institutionalised racism and xenophobia
The Korematsu vs US case has been criticised as a gross violation of civil rights and an example of institutionalised racism and xenophobia. The case centred around Fred Korematsu, a 23-year-old Japanese-American man who refused to obey Civilian Exclusion Order No. 34 of the U.S. Army, which required Japanese-Americans to relocate to internment camps during World War II. Korematsu argued that the order violated his constitutional rights, specifically his Fifth Amendment rights to due process and equal protection under the United States Constitution.
Despite his arguments, the Supreme Court upheld Korematsu's conviction and the constitutionality of the internment program. The Court ruled that the government's need to protect against potential espionage and sabotage during wartime outweighed Korematsu's individual liberties. This ruling has been criticised as a gross violation of civil rights, with Justice Frank Murphy referring to it as the "legalization of racism".
The forced relocation and internment of Japanese Americans have been recognised as a shameful chapter in American history, reflecting institutionalised racism and xenophobia. Justice Hugo Black, who wrote the majority decision, stated that all legal restrictions that curtail the civil rights of a single racial group are immediately suspect. However, he argued that pressing public necessity could justify such restrictions in certain cases.
The Korematsu decision was not without dissent, with three Supreme Court Justices disagreeing with the use of Japanese internment camps. Justice Jackson warned that the precedent set by Korematsu could last beyond the war and internment, normalising racial discrimination in law. The case has since been repudiated and formally overturned, with Justice Sonia Sotomayor referring to it as a "shameful precedent".
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The Supreme Court's decision was based on the premise that the government's need to protect against potential espionage and sabotage during wartime outweighed individual liberties
The Supreme Court's decision in Korematsu v. United States was based on the premise that the government's need to protect against potential espionage and sabotage during wartime outweighed individual liberties. This case, decided in 1944, centred around Fred Korematsu, a 23-year-old Japanese-American man who refused to obey Civilian Exclusion Order No. 34 of the U.S. Army, which required Japanese-Americans to relocate to internment camps during World War II.
Korematsu argued that Executive Order 9066, issued by President Franklin D. Roosevelt, violated his constitutional rights, specifically his Fifth Amendment rights to due process and equal protection. He claimed that he was being deprived of his right to live freely without the appropriate legal process, as guaranteed by the Fifth Amendment. However, the Supreme Court upheld Korematsu's conviction and the constitutionality of the internment program, ruling that the government's need to protect against potential espionage and sabotage during a time of war took precedence over individual liberties.
The Court's decision, written by Justice Hugo Black, found that the Executive Order did not show racial prejudice but rather responded to the strategic imperative of keeping the U.S. West Coast secure from potential Japanese invasion and sabotage. Black argued that the military's decision, validated by Congress, merited deference, especially during wartime. He established the strict scrutiny standard, stating that while legal restrictions curtailing the civil rights of a single racial group are suspect, they may be justified by pressing public necessity.
The Korematsu decision has been widely criticized as a gross violation of civil rights and a shameful example of institutionalized racism and xenophobia. Justice Jackson, in his 1944 dissent, warned that the precedent of Korematsu might outlast the war and internment, and that once the Court rationalizes an unconstitutional military order as conforming to the Constitution, it validates a principle of racial discrimination that cannot be undone. The decision was finally overturned in 2018.
In conclusion, the Supreme Court's decision in Korematsu v. United States prioritized the government's need to protect against potential espionage and sabotage during wartime, ruling that this necessity outweighed the individual liberties of Japanese-Americans. This decision, while controversial and later repudiated, set a precedent for the Court's deference to executive power during times of war, highlighting the complex balance between national security and civil rights in times of crisis.
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Frequently asked questions
The case ruled that the US government's use of Japanese internment camps during World War II was constitutional.
The Supreme Court ruled in a 6-3 decision that the government had the power to arrest and intern Fred Korematsu, a US citizen of Japanese descent, under Executive Order 9066.
The decision broke from the US Constitution by violating the Fifth Amendment rights to due process and equal protection. The ruling also set a precedent of racial discrimination and institutionalized racism by upholding the constitutionality of internment camps.
The Korematsu vs US decision has been widely criticized and repudiated. It was formally overturned in 2018. Congress also provided restitution payments and apologized as part of the Civil Liberties Act of 1988.
The case was significant as it was the first time the Supreme Court ruled on racial discrimination based on the strict scrutiny standard, setting a precedent for judicial review of laws targeting suspect groups.

























