What are the major ways in which contact with eurasia influenced the development of african civilizations?

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.

The civil rights act that passed in 1964

What specific events led richard nixon to resign the presidency