<Ul> <Li> Kentucky draws up a constitution as a slave state and is admitted to the union . </Li> </Ul> <Li> Kentucky draws up a constitution as a slave state and is admitted to the union . </Li> <Tr> <Td> 1793 </Td> <Td> <Ul> <Li> Congress passes the Fugitive Slave Act of 1793 based on Article IV, Section 2 of the Constitution . </Li> <Li> Eli Whitney, Jr. invents the cotton gin, making possible the profitable large - scale production of short - staple cotton in the South . The demand for slave labor increases with the increase in profitable cotton production . </Li> </Ul> </Td> </Tr> <Ul> <Li> Congress passes the Fugitive Slave Act of 1793 based on Article IV, Section 2 of the Constitution . </Li> <Li> Eli Whitney, Jr. invents the cotton gin, making possible the profitable large - scale production of short - staple cotton in the South . The demand for slave labor increases with the increase in profitable cotton production . </Li> </Ul>

Timeline of the causes of the civil war