I would go with the first one
Answer:
Segregation of society, meaning black and white schools, hospitals ,etc.
I think it's A because slavery wasn't abolished in Washington DC until 1862.
I think there are a lot. But I am not a genius
Answer:
a) Briefly explain ONE important social or political response to the conflict over slavery in the period 1850-1855. One political response to slavery during 1850-55 was the idea of popular sovereignty. ... During the time period of 1855-60, "Bleeding Kansas" became a response to slavery.
Explanation: