An important consequence of the fugitive slave act of 1850 was

a. improved relations between the north and south.
b. a gain in support for the abolitionist movement.
c. fewer runaway enslaved people being captured and returned.
d. more enslaved people escaping to the north.

B!
Beccause the fugitive slave act prohibited the helping of slaves and other things, (like allowing slaves to have a trial by jurry) the northern states rebelled. That rebelion added to the amount of abolitionists

Contributing factors  leading  to the harlem renaissance were the great migration of african americans to northern cities, which concentratedambitious  people in places where they could encourage each  other, and the first world war, which had created new industrial work opportunities for tens of thousands of people.