Why was the fugitive slave act so controversial? (5 points)

a. it required all americans to return runaway slaves to their owners, and free states opposed this law.
b. it required all runaway slaves to be hung, and most people in free and slaveholder states were against this form of punishment.
c. fugitive slaves who were caught were sent back to africa, and southern states disagreed with this practice.
d. fugitive slaves were required to work twice as long before they could be freed, and northern states opposed this rule.