If two nations who are each capable of producing consumer and capital goods agree to trade based on comparative advantage, then

A)the two nations will become more independent of each other.

B)employment will increase in one nation and decrease in the other.

C)one nation will increase its efficiency while the other does not.

D)the citizens of both nations will have a better standard of living.

E)both nations will be less efficient in production of consumer and capital goods.