*!~~q1) if governments permit the macket to operate freely, a natural division of labor develops(1) in which
each country produces those goods(2) for which it has a comparative advantage.
-밑줄친(1)의 선행사는 a natural division of labor같은데요,,,in왜나왔는지요?
-밑줄친/(2)for도 단순히why로 바꿀수있는건가요?( why=for+which이기에저렇게쓰였나요?아님
다른문법적인의미가있는지요?)