Containment was a policy in which the u. s. tried to do what?
a. it would interfere with already communist countries, but not with the spread of communism to new countries.
c. it would try to intervene in countries already communist as well as try to stop it from spreading.
b. it would not interfere in countries already communist, or with the spread of communism to new countries.
d. it would not interfere with already communist countries, but it would prevent the spread of it to new countries.