I don't have a question. Ok
original source A direct source of information or research
Primary source. In the study of history as an academic discipline, a Primary Source (also called an original source or evidence) is an artifact, document, diary, manuscript, autobiography, recording, or any other source of information that was created at the time under study. It serves as an original source of information about the topic.
Answer:
Its b
Explanation:
Because "In 1947, President Harry S. Truman pledged that the United States would help any nation resist communism in order to prevent its spread. His policy of containment is known as the Truman Doctrine."
