The domino theory argued that: 1. if one Asian nation fell to Communism, the rest would follow.
2. U. S. victory in Korea would lead to U. S. victory in China.
3. the U. S. should allow the nations of Asia to follow China and accept Communist rule.
4. there was no danger of Communism spreading throughout Asia.

1. If one Asian nation fell to Communism, the rest would follow.

Explanation: Because of the rise of Communsim, democratic countries such as Great Britain, France, and the USA didn't want Communism to spread. So they thought that if one nation falls to Communism,  the rest would follow like dominos falling.

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation:

the answer would be:

b. race