In the years following World War II the United States established a policy of conte nt to
keep the countries of Eastem Europe from becoming communist
ensure that communism was contained to the Soviet Union only!
eliminate all communist govemments throughout the world
prevent the spread of communism outside of Eastern Europe

B. ensure that communism was contained to the Soviet Union only!

Explanation:

In the years after World War II, the United States was guided generally by containment — the policy of keeping communism from spreading beyond the countries already under its influence. The policy applied to a world divided by the Cold War, a struggle between the United States and the Soviet Union

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.  

it was the new england colonies.

hope dis !