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7.3 Constitutional Convention and compromises

7.3 Constitutional Convention and compromises

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025
🦬US History – Before 1865
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Calling the Convention

The Constitutional Convention of 1787 grew out of a shared realization: the Articles of Confederation weren't working. Delegates from twelve states met in Philadelphia not just to patch up the Articles, but ultimately to design an entirely new framework for government. The compromises they reached still shape how the U.S. government operates today.

The convention was originally called to revise the Articles of Confederation, but delegates quickly shifted toward drafting a new constitution. Rhode Island refused to send delegates, viewing the convention as a threat to state sovereignty.

Failures of the Articles of Confederation

The Articles created a central government that was deliberately weak. Congress had no power to tax, regulate trade, or enforce its own laws. Each state operated almost like an independent country, printing its own currency and setting its own trade policies. The result was economic chaos: states taxed each other's goods, the national government couldn't pay its war debts, and there was no executive branch to coordinate a response to crises.

Shays' Rebellion

In 1786–1787, former Revolutionary War captain Daniel Shays led an armed uprising of farmers in western Massachusetts. These farmers faced crushing debt, high state taxes, and the threat of losing their land. When they couldn't get relief through the courts or legislature, they took up arms and tried to seize a federal arsenal in Springfield.

The national government under the Articles couldn't raise troops or funds to put down the rebellion. Massachusetts had to rely on a privately funded militia. This failure became a powerful argument for a stronger central government and pushed reluctant leaders toward supporting a new convention.

Annapolis Convention

Before Philadelphia, there was Annapolis. In 1786, delegates met in Annapolis, Maryland to discuss interstate trade disputes. Only five states sent representatives, which was too few to accomplish much. But the delegates who did attend, including Alexander Hamilton and James Madison, used the occasion to call for a broader convention the following year to address the structural problems of the Articles. That call led directly to the Constitutional Convention.

Key Delegates

Fifty-five delegates from twelve states attended the convention. They were a mix of lawyers, planters, merchants, and politicians, and many had served in the Continental Congress or fought in the Revolution.

James Madison

James Madison of Virginia is often called the "Father of the Constitution." He arrived in Philadelphia weeks early, having spent months studying the history of republics and confederacies. Madison drafted the Virginia Plan, which became the starting framework for debate. He was a strong advocate for a system of checks and balances that would prevent any single branch of government from accumulating too much power. He also kept detailed notes on the convention's proceedings, which remain the best primary source for what happened behind closed doors.

George Washington

George Washington was unanimously elected president of the convention. As the former Commander-in-Chief of the Continental Army, he was the most trusted public figure in America. Washington rarely spoke during debates, but his presence gave the convention legitimacy. His eventual support for the finished Constitution carried enormous weight during the ratification process.

Benjamin Franklin

At 81 years old, Benjamin Franklin was the oldest delegate. His long career as a statesman, diplomat, and scientist gave him unique authority in the room. Franklin's most important role was as a mediator. When debates grew heated, he helped steer opposing sides toward compromise. His closing speech urging delegates to sign the Constitution, despite their individual reservations, helped secure near-unanimous support at the convention's end.

Virginia Plan

The Virginia Plan, drafted by James Madison and formally presented by Virginia governor Edmund Randolph, proposed scrapping the Articles entirely in favor of a strong national government. It became the starting point for most of the convention's debates.

Failures of Articles of Confederation, America under the Articles of Confederation | Boundless US History

Bicameral Legislature

The plan called for a bicameral legislature (two chambers): a lower house elected directly by the people and an upper house chosen by the lower house from candidates nominated by state legislatures. This two-chamber structure was designed to filter popular opinion through multiple layers of representation.

Representation Based on Population

Under the Virginia Plan, representation in both chambers would be proportional to each state's population. This naturally favored large states like Virginia, Pennsylvania, and Massachusetts, which would dominate the legislature. Smaller states like New Jersey and Delaware saw this as a direct threat to their influence and pushed back hard.

New Jersey Plan

The New Jersey Plan, introduced by William Paterson, was the small states' counter-proposal. Rather than replacing the Articles, it sought to strengthen them while preserving the equal voice each state had enjoyed under the existing system.

Unicameral Legislature

Paterson's plan kept a unicameral legislature (a single chamber), similar to the Congress under the Articles of Confederation. This structure was simpler and preserved the one-state, one-vote principle that small states relied on.

Equal Representation for States

Under the New Jersey Plan, every state would get the same number of representatives regardless of population. Delaware would have the same legislative power as Virginia. Larger states objected that this ignored the reality that some states had far more people and contributed far more economically. The standoff between these two plans nearly derailed the convention.

Great Compromise

The Great Compromise, also called the Connecticut Compromise, was proposed by Roger Sherman of Connecticut. It broke the deadlock by blending elements of both the Virginia and New Jersey Plans into a single legislative structure.

House of Representatives vs. Senate

The compromise created a bicameral Congress with two distinct chambers:

  • House of Representatives: Members elected directly by the people, with the number of representatives per state based on population. This satisfied large states.
  • Senate: Each state gets exactly two senators, regardless of population. Senators were originally chosen by state legislatures (this changed with the 17th Amendment in 1913). This satisfied small states.

Proportional vs. Equal Representation

The genius of this compromise was that it gave both sides something meaningful. Large states got proportional representation where it mattered most for legislation affecting people directly. Small states got equal representation in the Senate, ensuring they couldn't be steamrolled on issues affecting state interests. Neither side got everything it wanted, which is exactly what made it work.

Failures of Articles of Confederation, Articles of Confederation--Strengths, Weaknesses and Accomplishments

Three-Fifths Compromise

The Three-Fifths Compromise addressed one of the convention's most contentious questions: should enslaved people be counted when determining a state's population for representation purposes? Northern and southern delegates had fundamentally different interests at stake.

Counting Enslaved People for Representation

The compromise determined that three-fifths of a state's enslaved population would be counted toward its total population for apportioning seats in the House of Representatives. Southern states wanted enslaved people fully counted to boost their representation in Congress. Northern states argued that since enslaved people couldn't vote and were treated as property, they shouldn't be counted at all.

The result gave southern states significantly more congressional seats than their free population alone would have justified, while enslaved people themselves had no political rights whatsoever.

Balancing Power Between North and South

This compromise was fundamentally about political power. By counting a portion of the enslaved population, southern states gained extra seats in the House and extra votes in the Electoral College (which is tied to congressional representation). This gave the South outsized influence over national policy for decades, particularly on issues related to slavery.

The same three-fifths ratio also applied to direct taxation, meaning southern states would pay slightly higher taxes in proportion to their counted population. Southern delegates accepted this trade-off because the gain in political representation was far more valuable.

Commerce and Slave Trade Compromise

The Commerce and Slave Trade Compromise resolved two linked disputes: northern states wanted the federal government to regulate trade, while southern states wanted to protect the slave trade from federal interference.

Federal Regulation of Commerce

The compromise gave Congress the power to regulate interstate and international commerce. Northern states, whose economies depended on shipping and manufacturing, needed uniform trade rules and the ability to negotiate trade deals with foreign nations. Southern states worried this power could be used to tax their agricultural exports or restrict the slave trade, so the compromise also prohibited Congress from taxing exports.

Slave Trade Protection Until 1808

To win southern support, the Constitution barred Congress from banning the importation of enslaved people for twenty years, until 1808. This guaranteed southern planters continued access to the transatlantic slave trade in the short term. Congress did ban the international slave trade effective January 1, 1808, the earliest date the Constitution allowed. However, the domestic slave trade within the United States continued legally and expanded dramatically in the decades that followed.

Ratification Process

The finished Constitution required ratification by nine of the thirteen states before it could take effect. This launched an intense public debate between two camps: Federalists, who supported the new Constitution, and Anti-Federalists, who opposed it.

Federalists vs. Anti-Federalists

Federalists argued that a stronger central government was essential for national stability, economic growth, and defense. Key Federalists included Alexander Hamilton, James Madison, and John Jay.

Anti-Federalists feared the Constitution concentrated too much power in the national government at the expense of states and individuals. Prominent Anti-Federalists included Patrick Henry, George Mason, and Samuel Adams. Their biggest objection was the absence of a bill of rights explicitly protecting individual freedoms.

The Federalist Papers

To build public support for ratification, Hamilton, Madison, and Jay wrote 85 essays collectively known as The Federalist Papers, published under the pseudonym "Publius." These essays appeared in New York newspapers and made detailed arguments for why the Constitution's structure would work. Federalist No. 10 (Madison on factions) and Federalist No. 51 (Madison on checks and balances) are the most frequently studied today. The essays remain a key primary source for understanding the framers' reasoning.

Bill of Rights

The promise of a Bill of Rights was critical to securing ratification. Several states, including Virginia and New York, ratified the Constitution only after Federalists pledged to add amendments protecting individual liberties.

James Madison drafted the amendments, drawing on state constitutions and the Virginia Declaration of Rights. Congress proposed twelve amendments in 1789; ten were ratified by the states in 1791. These first ten amendments, the Bill of Rights, guarantee freedoms such as speech, religion, press, and assembly, protect against unreasonable searches, and reserve powers not granted to the federal government to the states and the people.