How did the rise and fall of napoleon affect european nationalism?

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.

How did people in the 14th century understand black death

What primary benefit did theodore roosevelt’s see in digging a canal through panama?