Answer:
3. Enactment of the Fugitive Slave Act
Explanation:
California was admitted as a free state, appealing to Northerners.
While the Compromise of 1850 allowed slavery in Washington, D.C., it banned slave trade from the area.
The Compromise of 1850 appealed to southerners by enacting the Fugitive Slave Act, which made it easier for slave owners to track down runaway slaves who had escaped to free states.
No southern president was allowed to southern states.