PLEASE HELP ASAP Describe in as much detail as possible the U. S. policy of CONTAINMENT during the Cold War and give four examples of how the U. S. supported/practiced this policy.

The U.S. policy of containment, was a policy that used many techniques to stop the spread of communism. This was an effect of the cold war, and it was used against the Soviet Union.    

THE U.S. SUPPORTED THIS PRACTICE BY:

Wanting to stop the spread of communism, and having the Soviet Union gain more power.

THE U.S. TOOK ACTION BY:

-Containing communism, so that it's influence would not affect other countries. This lead to the creation of NATO which was to include itself in the border states of the world and prevent them from turning communist.

-The policy was adopted by President Harry Truman. This was also part of the "free the people movement." From any outside pressure, or influence.

-The United States agreed to help both countries to avoid the possibility that the Soviet Union would lead them to communism. ( Greece and Turkey) and they paired with them.

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation: