How does this passage justify actions like Shermans march to the sea?

How does specialization enable countries to trade with one another? a country can make and sell goods affordably and buy goods that it is inefficient at making. a country can make what it chooses and sell its goods to other countries. a country can decide to buy everything it needs from other countries. a country can efficiently make goods that were once difficult to make.

What are three voluntary behaviors that is not control by results?

What is generally true of the lower house in a state legislative branch ?