Question

the word \contain\ means to keep something from spreading.
sold american products in china
helped the soviet union build more factories
started a new war in europe
resisted the spread of communism to other countries
part b
which phrase from the excerpt provides evidence to support the answer to part a?
\has many problems inside its own country\
\cannot be close friends right now\
\must stop russia from growing\
\will keep the world safe and peaceful\

Explanation:

Part A: The definition of "contain" given is stopping spread, and resisting communist spread matches this.
Part B: The phrase "must stop Russia from growing" directly supports the idea of containing (stopping the spread/influence of a communist power, as Russia here refers to the Soviet Union).

Answer:

Part A: resisted the spread of communism to other countries
Part B: "must stop Russia from growing."