Which of the following required all states to return fugitive slaves to their owners?
a. the great compromise
b. the connecticut compromise
c. the three fifths compromise

The Compromise that required all states to return fugitive slaves to their owners is
c. The Three-Fifths Compromise

Explanation:
The Three-Fifths Compromise was proposed by Wilson and American Revolutionary leader, UN agency was each delegate for the Constitutional Convention of 1787. However, the Three-Fifth Compromise has its strong roots more back in history, chemical analysis back to the Continental Congress in 1783. The Compromise was a result of the apportioning of taxes being associated with land values.
Initially, taxes were levied not in accordance with the population numbers, however the particular price of the land.