What are some social problems facing america today?

What happened as agriculture became entrenched in the south ?

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 were some of the most important native items adopted by europeans ? what impact did they have on european life ?