Engage: The Devil’s Bargain
Gouverneur Morris called slavery “a nefarious institution” and “the curse of heaven.” George Mason, a Virginia slaveholder himself, warned that slavery would “bring the judgment of Heaven on a country.” Yet both men signed a Constitution that protected slavery. How did moral men make such an immoral compromise?
Explore: The Unavoidable Question
Slavery infected every major debate at the convention. Should enslaved people count for representation? For taxation? Could Congress ban the slave trade? What about fugitive slaves who escaped to free states? The convention couldn’t avoid these questions, but answering them meant confronting the new nation’s fundamental contradiction.
The delegates weren’t united on slavery. Northern states were gradually abolishing it. Southern states considered it essential to their economy. Without compromise, there would be no union. South Carolina and Georgia made clear: accept slavery or we walk.
Explain: The Three-Fifths Compromise
The most infamous compromise determined how enslaved people counted for representation and taxation:
The Problem: If enslaved people counted fully for representation, the South would dominate Congress despite denying these people any rights. If they didn’t count at all, the South would refuse to join the union.
The Solution: Count each enslaved person as three-fifths of a person for both representation and taxation.
The Irony: Abolitionists wanted enslaved people to count as zero (reducing Southern power). Slaveholders wanted them to count as one (increasing Southern power). The compromise gave the South extra political power based on the very people they oppressed.
This wasn’t about humanity—everyone knew enslaved people were fully human. It was about political power. The South gained approximately 20 extra House seats from this formula.
Elaborate: The Commerce Compromises
The Slave Trade: Many delegates wanted Congress to ban the international slave trade immediately. The Lower South (South Carolina and Georgia) threatened to leave the convention. The compromise: Congress couldn’t ban the slave trade until 1808—giving it 20 more years to flourish.
Charles Pinckney of South Carolina was blunt: “South Carolina can never receive the plan if it prohibits the slave trade.” They meant it.
The Fugitive Slave Clause: Article IV, Section 2 required that escaped slaves be returned to their owners, even from free states. This made every state complicit in slavery, whether they wanted to be or not.
Export Taxes: The South feared the North would tax Southern agricultural exports (produced by slave labor). The Constitution banned export taxes entirely, protecting the slave economy.
Navigation Acts: The North wanted to regulate shipping to favor American vessels. The South feared this would increase shipping costs for their exports. Compromise: navigation acts needed only a simple majority, not two-thirds.
Evaluate: The Price of Union
The Moral Cost: Frederick Douglass later called the Constitution “a covenant with death and an agreement with hell.” William Lloyd Garrison publicly burned it. They had a point—the Constitution protected and perpetuated slavery.
The Practical Calculation: Without these compromises, there would be no union. South Carolina and Georgia would have remained independent or formed a separate confederacy. Some delegates hoped that union would eventually make abolition possible.
James Madison wrote: “Great as the evil is, a dismemberment of the union would be worse.”
The Time Bomb: These compromises postponed the conflict rather than resolving it. The three-fifths clause, fugitive slave provision, and 1808 deadline would all become flashpoints leading to civil war.
Northern Complicity: Northern delegates accepted these compromises for economic reasons too. Northern ships carried slaves. Northern factories processed Southern cotton. Northern banks financed plantations. The entire economy was interconnected with slavery.
The Founders’ Knowledge
The delegates knew slavery was wrong. They avoided the word “slavery” in the Constitution, using euphemisms like “other persons” and “person held to service or labor.” They were ashamed but not ashamed enough to stop.
George Washington freed his slaves in his will. Jefferson called slavery a “fire bell in the night.” They knew future generations would judge them harshly. They chose union over justice, hoping time would somehow solve what they couldn’t.
Key Vocabulary
- Enumeration: The counting of population for representation
- Fugitive: Someone who escapes or flees, especially from slavery or law
- Importation: Bringing goods (or people) into a country from abroad
- Navigation Acts: Laws regulating shipping and commerce
Think About It
Was preserving the union worth compromising on slavery? Could the Northern states have formed a successful nation without the South? Or would multiple weak confederacies have been conquered by European powers? Does historical context excuse moral failure?
Additional Resources
Primary Source: The Constitution’s slavery provisions (without using the word): https://constitutioncenter.org/the-constitution/articles/article-i
Read Article I, Section 2 (three-fifths), Article I, Section 9 (slave trade), and Article IV, Section 2 (fugitive slaves). Notice the euphemistic language—the founders’ shame is visible in their word choices.
Tomorrow: We’ll see how the convention concluded, the fight over signing, and the beginning of the ratification battle that would determine whether this controversial Constitution would become the supreme law of the land.

