Which one is the answer? A b c or d?

How w.e.b. dubois wanted to improve the social and economic situation that existed for african americans during the early 19th century?

Which is the main inference that can be drawn from adam smith's book the wealth of nations? a) for an economy to work flawlessly, it shouldn't have to serve and moral goals.b) the government must control a free-market economy, or economic problems will arise.c) a free-market economy works well only without the government's interference. d) free trade will only hurt economies and should be stopped by governments.

What did the us civil rights movement gain new momentum after world 2