
The Constitution of the United States gives the President the power to control the borders of the country, including the ability to prevent the physical entry of aliens involved in an invasion and to rapidly repatriate them to an alternative location. The President is also responsible for protecting the American people and the constitutional republic from foreign threats, including terrorism, national security threats, and public safety threats. The Federal Government has a duty to protect each of the States against invasion, as outlined in Article IV, Section 4 of the U.S. Constitution.
| Characteristics | Values |
|---|---|
| Protecting the United States from foreign terrorists | The President has the power to control the borders of the United States and prevent the physical entry of aliens involved in an invasion |
| Protecting the United States from other national security and public safety threats | The President has the power to be vigilant during the visa-issuance process to ensure that aliens approved for admission into the United States do not intend to harm Americans or our national interests |
| Control over foreign affairs | The President has the power to suspend the physical entry of any alien engaged in the invasion across the southern border of the United States |
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What You'll Learn

The President's powers to control the borders of the United States
The Constitution of the United States grants the President powers to control the borders of the country and protect it from foreign attack. The President's powers to control the borders of the United States are derived from their authority to control the foreign affairs of the country. This includes the ability to prevent the physical entry of aliens involved in an invasion and to rapidly repatriate them to an alternative location. The President is also responsible for guaranteeing the right of each State to be protected against invasion, as outlined in Article IV, Section 4 of the Constitution.
The President has significant statutory authority in matters of immigration and border control. However, this power is not without legal and constitutional constraints, particularly when it comes to actions that may affect US citizens or bypass congressional appropriations. Several federal statutes give the President broad powers to suspend the entry of any class of aliens deemed detrimental to the interests of the United States.
The President's authority to seal the border or limit entry into the United States has sparked considerable legal and political debate. While the President has the power to unilaterally address border issues, it is important to recognise the significant role that Congress must play in this matter, particularly regarding the allocation of taxpayer resources.
The President's powers to control the borders are also exercised through the Immigration and Nationality Act (INA), which provides certain emergency tools to protect the country from foreign terrorists and other national security threats. The INA allows the President to be vigilant during the visa-issuance process to ensure that aliens approved for admission into the United States do not intend to harm Americans or our national interests.
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The suspension of physical entry of aliens engaged in invasion
The Constitution of the United States grants the President the power to control the borders of the United States, including the ability to prevent the physical entry of aliens involved in an invasion and to rapidly repatriate them to an alternative location. This power is derived from the President's authority to control the foreign affairs of the United States and is necessary to guarantee the right of each State to be protected against invasion.
Article IV, Section 4 of the Constitution states that the Federal Government has an obligation to "protect each of [the States] against Invasion". When a State joins the Union, it surrenders much of its sovereignty and agrees to join the Union in exchange for this protection.
In the event of an invasion, the President has the authority to suspend the physical entry of any alien engaged in the invasion across the borders of the United States. This suspension is implemented through the Secretary of Homeland Security, in coordination with the Secretary of State and the Attorney General, who take appropriate actions to achieve the objectives of the proclamation.
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The visa-issuance process
The US government takes a vigilant approach to the visa-issuance process to ensure that those approved for admission into the United States do not intend to harm Americans or the country's national interests. This includes screening for potential terrorist threats, national security risks, and those who may espouse hateful ideology or otherwise exploit the immigration laws for malevolent purposes.
By carefully vetting visa applicants and controlling the entry of foreign citizens, the US government can help prevent potential threats from entering the country and protect Americans from foreign attacks.
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The Federal Government's promise to protect each State against invasion
The President's inherent powers to control the borders of the United States, including the authority to control foreign affairs, necessarily include the ability to prevent the physical entry of aliens involved in an invasion and to rapidly repatriate them to an alternative location. This power is derived from Article II of the Constitution, which grants the President control over foreign affairs.
In the event of an invasion, the President has the authority to suspend the physical entry of any alien engaged in the invasion and to direct the Secretary of Homeland Security, in coordination with the Secretary of State and the Attorney General, to take appropriate actions to protect the States.
The States agreed to surrender much of their sovereignty and join the Union in exchange for this promise of protection from the Federal Government. This agreement, known as Article IV, Section 4, ensures that the Federal Government has a responsibility to safeguard each State from invasion.
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The President's emergency tools
The President has a number of emergency tools at their disposal to protect the United States from foreign attack. These include the power to control the borders of the United States, including the ability to prevent the physical entry of aliens involved in an invasion and to rapidly repatriate them to an alternative location. This is derived from the President's authority to control the foreign affairs of the United States.
The President also has the power to suspend the physical entry of any alien engaged in an invasion across the southern border of the United States, as well as the authority to direct the Secretary of Homeland Security, in coordination with the Secretary of State and the Attorney General, to take appropriate actions to achieve the objectives of this proclamation.
In addition, the President has the authority to protect the American people from foreign terrorists and other national security and public safety threats. This includes the power to be vigilant during the visa-issuance process to ensure that aliens approved for admission into the United States do not intend to harm Americans or our national interests.
The President also has the power to recommend any additional actions to protect the American people and our constitutional republic from foreign threats, including budgetary, administrative, or legislative proposals.
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Frequently asked questions
The US Constitution gives the President the power to control the borders of the United States, including the ability to prevent the physical entry of aliens involved in an invasion and to rapidly repatriate them to an alternative location.
Article IV, Section 4 of the US Constitution states that the Federal Government must "protect each of [the States] against Invasion".
The US Constitution gives the President the inherent powers to control the borders of the United States, including the ability to suspend the physical entry of any alien engaged in an invasion.
The US Constitution gives the President the power to protect the American people and our constitutional republic from foreign threats, including through the implementation of additional actions as recommended by the Director of the Office of Management and Budget.



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