Select the correct answer.
What pact signed in 1949 helped reinforce that the United States would not return to an isolationist policy?

A.
the NATO agreement
B.
Warsaw Pact
C.
Truman Doctrine
D.
Marshall Plan

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 if the united states, mexico, and canada took the eu’s example and joined to forms north american union ? based on your knowledge of the europe union, describe two setbacks or hurdles that this idea might face

The biggest component / ingredient of summer time smog is