What does the executive branch do

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.

How can the judiciary balance individual rights with the common good?

How does sociology account for the cause of drug and alcohol addiction?