Building a New Nation, 1783-1809 ยป The Constitutional Convention and the Connecticut Compromise

What you'll learn this session

Study time: 30 minutes

Edexcel spec: Paper 2 Section B, Breadth study B1, Key topic 1

  • Why a convention met in Philadelphia in 1787
  • The clash between large and small states: the Virginia Plan against the New Jersey Plan
  • How the Connecticut Compromise settled it
  • The clash over slavery: the three-fifths clause and the slave trade until 1808

๐Ÿ”’ Unlock Full Course Content

Sign up to access the complete lesson and track your progress!

Unlock This Course

Why a convention met

By 1787 many American leaders thought the first plan of government, the Articles of Confederation, was failing. Congress could not tax, and Shays' Rebellion in Massachusetts had shown that the national government could not keep order. In May 1787 delegates from the states gathered in Philadelphia at the Constitutional Convention.

The convention was meant to improve the Articles. It soon decided to write a completely new plan of government instead. Fifty-five delegates took part over the summer, from twelve states. Rhode Island refused to send anyone. George Washington was chosen to lead the meetings, and the delegates kept their debates secret so that they could argue freely.

Key terms:

  • Constitutional Convention: the meeting in Philadelphia in 1787 that wrote the Constitution of the United States.
  • Constitution: the basic set of rules for how a country is governed.
  • Legislature: the part of government that makes laws. In the United States this is Congress.
  • Representation: the number of people or votes a state has in the legislature.
  • Compromise: an agreement in which each side gives up some of what it wanted.
  • Three-fifths clause: the rule that each enslaved person counted as three-fifths of a free person when working out a state's population.

Large states against small states

The biggest argument was about power. Under the Articles, every state had one vote in Congress, whether it was large or small. If the new government was based on population, large states such as Virginia, Pennsylvania and Massachusetts would have far more say. Small states such as Delaware and New Jersey feared being outvoted for ever.

🏛 The Virginia Plan

Put forward by Edmund Randolph in May 1787 and mostly written by James Madison. It wanted a strong national government with three parts (law-making, running the country and courts) and a two-house Congress. Seats in both houses would depend on population. This favoured large states.

📜 The New Jersey Plan

Put forward by William Paterson in June 1787 for the small states. It kept a one-house Congress with one vote for each state, as under the Articles, but gave Congress new powers, such as the power to tax. This favoured small states.

Neither side would give way. The argument became so bitter that some delegates feared the convention would break up without any agreement. This was the tension between large and small states, and it was linked to one of the themes of the whole option: the relationship of the separate states to the whole.

The Connecticut Compromise

The way out came from delegates from Connecticut, mainly Roger Sherman and Oliver Ellsworth. The Connecticut Compromise, agreed in July 1787, gave each side something:

  • a House of Representatives, where the number of seats depended on each state's population (which pleased the large states);
  • a Senate, where every state had equal votes, two senators each (which pleased the small states).

A law had to pass both houses. The vote was close and nobody got everything they wanted, but the convention could now carry on. This kind of agreement is often called the Great Compromise. Its impact was lasting: the United States Congress still has a House based on population and a Senate with two senators for each state.

The clash over slavery

A second argument came from slavery. By 1787 slavery was still legal in many states, but it mattered much more to the southern states, where large numbers of enslaved people worked on plantations. The delegates faced two linked questions.

👥 How to count people

If representation in the House depended on population, should enslaved people be counted? Southern states wanted them counted, so that the South would have more seats. Northern delegates objected, since enslaved people had no vote and were treated as property. The result was the three-fifths clause: each enslaved person counted as three-fifths of a free person for seats in the House and for direct taxes.

⛓️ The slave trade

Some northerners wanted to ban the import of enslaved people from Africa. Delegates from South Carolina and Georgia said their states would not join a union that did this. The compromise was that Congress could not ban the slave trade before 1808.

Many delegates disliked slavery, yet most put keeping all the states together first. The Constitution never uses the word "slavery", but it protected the system in these ways. So the clash was settled for the moment rather than solved. The issue of slavery runs through the whole option, and this compromise helped to keep it alive.

What changed, and what stayed the same? The Constitution, signed on 17 September 1787, created a much stronger national government than the Articles. But the states kept important powers, equal votes in the Senate gave small states a lasting voice, and slavery stayed legal.

Common mistakes

  • Mixing up the plans. The Virginia Plan favoured large states (by population). The New Jersey Plan favoured small states (equal votes).
  • Saying the Connecticut Compromise was about slavery. It settled how states were represented in Congress. The three-fifths clause was a separate compromise.
  • Saying the three-fifths clause made enslaved people three-fifths of a person in law. It was a rule for counting population for seats and taxes.
  • Thinking the slave trade was banned in 1787. It could not be banned before 1808.

Exam-style question

This is a Paper 2 Section B (b) question. You need two causes, each with precise knowledge and an explanation of how it led to the outcome. One cause alone cannot score more than half marks.

Explain TWO causes of the Connecticut Compromise of 1787. [8 marks]

Model answer

One cause was the deadlock between large and small states. The Virginia Plan, written mainly by James Madison, wanted seats in both houses of Congress to be based on population, which would have given Virginia and other large states most of the power. The small states, backed by William Paterson's New Jersey Plan, wanted to keep one vote for each state. Neither side would give way, and some delegates feared the convention would collapse. This led Roger Sherman and Oliver Ellsworth of Connecticut to suggest a House based on population and a Senate with equal votes, so that each side gained something.

A second cause was the delegates' fear that the United States would fail without a stronger government. Shays' Rebellion in 1786-87 had added to fears that Congress under the Articles could not keep order or raise money, and it pushed leaders such as Washington to support the convention. Most delegates therefore wanted an agreement rather than a break-up, which made the small states willing to accept a House based on population and the large states willing to accept an equal Senate.

What lifts it to the top level: two different causes, each backed by accurate facts and an explanation of how it led to the compromise.

Exam tip

Write two paragraphs, one per cause. Start each with the cause, add a precise fact such as a plan or a name, then use a phrase such as "this led to" to link it to the outcome.

Recap

  • The Constitutional Convention met in Philadelphia in 1787 and wrote a new constitution instead of just improving the Articles.
  • The Virginia Plan (population) favoured large states. The New Jersey Plan (equal votes) favoured small states.
  • The Connecticut Compromise created a House based on population and a Senate with two senators for each state.
  • The three-fifths clause and the ban on stopping the slave trade before 1808 settled the clash over slavery for the moment, but did not end it.
Test Your Knowledge
Chat to History tutor