How did Americans travel west in the 1800s?

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.

Why had conditions in france deteriorated in 1778 and 1789

What effect did the agricultural revolution have on farmers?