
The ratification of the US Constitution was a long and arduous process that took place between 1787 and 1791. The Constitution was proposed and signed at the Constitutional Convention in 1787, and it was agreed that it would require ratification by nine of the 13 existing states to take effect. The ratification process sparked intense national debate between Federalists, who supported the Constitution, and Anti-Federalists, who opposed it. The Federalists, led by Alexander Hamilton, James Madison, and John Jay, argued that the Constitution provided a necessary framework for a strong central government capable of unifying the nation and protecting against foreign threats. On the other hand, Anti-Federalists, including Patrick Henry, George Mason, and Samuel Adams, feared that the Constitution concentrated too much power in the federal government at the expense of states' rights and individual liberties. Despite the opposition, the Constitution was gradually ratified by the required nine states, with New Hampshire becoming the final state needed for ratification on June 21, 1788. The remaining four states eventually ratified the Constitution by May 29, 1790, marking the official adoption of the framework for the US government.
| Characteristics | Values |
|---|---|
| Date of signing of the final Constitution | September 17, 1787 |
| Number of signatories | 38 or 39 out of 41 or 55 delegates |
| Date of first ratification | December 7, 1787 |
| State of first ratification | Delaware |
| Date the Constitution became the official framework of the government | June 21, 1788 |
| Number of states required for ratification | 9 out of 13 |
| Number of states that ratified the Constitution by May 29, 1790 | All 13 |
| Date of ratification of the Bill of Rights | December 15, 1791 |
| Amendment procedure | Two-thirds majority in both the Senate and the House of Representatives or a national convention |
| Ratification procedure | Three-fourths of the states' approval through the consent of state legislatures or consent of state ratifying conventions |
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What You'll Learn

The Constitutional Convention
The United States Constitution emerged from the Constitutional Convention, which met between May and September 1787 in Philadelphia, Pennsylvania. The convention was attended by delegates from all states except Rhode Island. George Washington presided over the convention.
The convention was called to address the problems of the weak central government that existed under the Articles of Confederation, which had governed the country until the new Constitution was ratified. The Articles of Confederation had been tailored to a newly formed nation made of states acting more like independent, sovereign countries. However, it soon became clear to America's leaders that future stability required a stronger, more centralised government.
The delegates, or representatives for the states, debated for months over what would be included in the Constitution. Some states were in favour of a strong central government, while others were opposed. Large states felt that they should have more representation in Congress, while small states wanted equal representation with larger ones. Roger Sherman, a delegate from Connecticut, proposed a legislature with two parts; states would have equal representation in the Senate, and the population of states would determine representation in the House of Representatives.
The framers of the Constitution created a model of government that relied upon a series of checks and balances by dividing federal authority between the legislative, judicial, and executive branches. The legislative branch would make laws, the executive branch would provide leadership and enforce laws, and the judicial branch would explain and interpret laws.
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The States' Ratification process
The debate played out in newspapers, pamphlets, and public meetings across the country, with each state holding a special convention to debate and vote on ratification. The process was not smooth, with significant opposition in several states. Delaware was the first state to ratify the Constitution on December 7, 1787, followed by Pennsylvania, New Jersey, Georgia, Connecticut, Massachusetts, Maryland, and South Carolina. North Carolina initially rejected the Constitution due to the lack of a Bill of Rights but later ratified it in November 1789 after the promise of amendments.
The ratification process was a crucial step in implementing the new governing system. Under Article VII, it was agreed that the Constitution would only become binding once ratified by at least nine of the 13 existing states. On June 21, 1788, New Hampshire became the ninth state to ratify the Constitution, making it the official framework of the US government. The Constitution was not ratified by all 13 states until May 29, 1790, when Rhode Island, the last holdout, finally approved the document under pressure from the new federal government.
The ratification process laid the groundwork for a political culture that values compromise, civic engagement, and the protection of individual rights. The intense debate and compromise during this process helped shape the future of the nation, with the Constitution continuing to guide the US government, protect the rights of Americans, and inspire democracies worldwide.
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Initiation of the new government
The initiation of the new government began on March 4, 1789, when the 1st Congress of the new Constitution was seated. George Washington was elected as the first President, with John Adams as Vice President.
The new government was based on the principles of federalism, separation of powers, and checks and balances, which have endured for over two centuries. The Constitution's first three articles embody the doctrine of the separation of powers, dividing the federal government into three branches: the legislative, consisting of the bicameral Congress (Article I); the executive, consisting of the President and subordinate officers (Article II); and the judicial, consisting of the Supreme Court and other federal courts (Article III).
The legislative branch was structured as a bicameral legislature, consisting of the Senate (equal representation for states) and the House of Representatives (representation based on population). The number of seats in the House of Representatives was set at 105, with a ratio of 30,000 people per representative, later adjusted to 33,000:1.
The new government also addressed key issues such as the balance of power between large and small states and the contentious issue of slavery. The Three-Fifths Compromise addressed how enslaved individuals would be counted for taxation and representation, with three out of every five enslaved persons counted.
The initiation of the new government also included the incorporation of the Bill of Rights into the Constitution, which took place from 1789 to 1792. Ten amendments, known as the Bill of Rights, were ratified on December 15, 1791.
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The Bill of Rights
Ratification is the process of signing or giving formal consent to something. In the context of the US Constitution, ratification refers to the process by which the individual states consented to and adopted the Constitution, establishing it as the official framework of the US government. This process took place from 1787 to 1791, with the Constitution being officially adopted on June 21, 1788, when New Hampshire became the ninth of 13 states to ratify it.
The first eight amendments in the Bill of Rights outline specific protections, while the final two, the Ninth and Tenth Amendments, are more general. The Ninth Amendment states that the listing of certain rights in the Constitution does not preclude other rights not explicitly mentioned. The Tenth Amendment limits the Federal Government to only those powers delegated to it in the Constitution.
The Third Amendment prohibits the federal government from forcing individuals to provide lodging to soldiers in their homes during peacetime without their consent. This amendment addressed the lingering resentment over the Quartering Acts passed by the British Parliament during the Revolutionary War, which had allowed British soldiers to take over private homes.
The Fourth Amendment protects people against unreasonable searches and seizures of either themselves or their property by government officials.
The Fifth Amendment provides several protections for people accused of crimes, including the right against self-incrimination and the protection against double jeopardy.
The Sixth Amendment offers additional protections for those accused, such as the right to a speedy and public trial and the right to an impartial jury.
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The national debate
The ratification of the US Constitution sparked a vigorous national debate between Federalists and Anti-Federalists. Led by Alexander Hamilton, James Madison, and John Jay, the Federalists supported the Constitution, arguing that it provided a necessary framework for a strong, effective central government capable of unifying the nation, protecting against foreign threats, and managing domestic affairs. They believed that the checks and balances built into the Constitution would prevent any one branch of government from becoming too powerful.
The Anti-Federalists, on the other hand, feared that the Constitution concentrated too much power in the federal government, infringing on states' rights. They criticized the absence of a Bill of Rights, arguing that the Constitution did not adequately protect individual liberties such as freedom of speech, religion, and the press. Patrick Henry, George Mason, and Samuel Adams were among those who opposed ratification.
The debate played out in newspapers, pamphlets, and public meetings across the country. The Federalist Papers, a series of 85 essays written by Hamilton, Madison, and Jay under the pseudonym "Publius", were a key tool for the Federalists, articulating arguments in favor of ratification and addressing Anti-Federalist concerns. Each state held a special convention to debate and vote on ratification, and the process was far from smooth, with significant opposition in several states.
The delegates to the Constitutional Convention of 1787 were well aware of the challenges of obtaining ratification. They knew that unanimity would be difficult to achieve, especially with Rhode Island unrepresented and New York likely to oppose any significant transfer of power from the states to Congress. Thus, they decided that ratification by nine of the thirteen states would be sufficient for the Constitution to take effect.
The first state to ratify the Constitution was Delaware on December 7, 1787, followed by Pennsylvania, New Jersey, Georgia, Connecticut, Massachusetts, Maryland, and South Carolina. On June 21, 1788, New Hampshire became the ninth state to ratify, making the Constitution the official framework of the US government. The remaining states gradually followed suit, with Rhode Island being the last to ratify on May 29, 1790, under pressure from the new federal government.
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Frequently asked questions
Ratification of the US Constitution is the process by which the Constitution was approved by the states to become the official framework of the US government.
The Constitutional Convention was a gathering of representatives from all 13 states in Philadelphia on May 25, 1787. The convention was called by New York's Alexander Hamilton, who believed that the Articles of Confederation, which governed the country at the time, needed to be amended to allow for a stronger, more centralized government.
The convention resulted in the proposal and creation of a new form of government, outlined in the US Constitution. The final draft of the Constitution was signed by 38 or 39 out of 41 or 55 delegates on September 17, 1787.
The Constitution was then sent to the states for ratification. The document stipulated that it would only come into effect once it had been ratified by nine of the 13 states. Delaware was the first state to ratify the Constitution on December 7, 1787, and New Hampshire became the ninth state to do so on June 21, 1788.















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