What is the difference between feudilism and the manor system?

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.

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price

How many battles were confederate victories? (specifically: major battles)