According to the theory if on nation adopted communism nearby nations would be likely to adopt it

The answer is the domino theory.

The domino theory, also called the domino effect, is a theory in foreign policy in America. It was first coined by President Harry S. Truman and suggests that if a country fell to communism, then other countries nearby would also likely be affected.

The domino theory comes from the idea of dominoes, that when one topples over, the others follow.

i dont know cuh

a.tensions between the colonial elites and the backcountry men of virginia.