What is the purpose of the cabinet?

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 was different about warfare in the early 1800s and early 1900s?

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