Please answer Please please help me!!!

The north gained control of the northern part of the mississippi river once grant captured the city a. memphis b.vicksburg c. chattanooga

Why do countries create guidelines and laws on how a country is going to be run?

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.