What motivated the U.S. to develop the policy of containment in reaction to the foreign policy of the U.S.S.R.?
○The U.S. thought that the U.S.S.R. was trying to keep people out of its territory.
○The U.S. was concerned that the U.S.S.R. was interfering in other countries' political elections.
○The U.S.S.R. wanted to block all travel between countries in Europe and Asia.
○The U.S.S.R. was committed to expanding communism into other countries.​