After the Civil War, black churches:
A. gained members and influence
B. lost members in the South.
O O OO
C. supported the Democratic Party.
D. were controlled by white leaders.

According to wikipedia taking up social welfare functions, such as providing for the indigent, and going on to establish schools, orphanages, and prison ministries.

So I would say A

Explanation:

sorry i do not know this

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories