The emancipation proclamation
Answer:Number 4 i think I'm sorry if that's wrong
Explanation:
In the study of history as an academic discipline, a primary source 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
“The United States should help free nations resist the spread of communism” best describes a belief held by President Truman that led to the establishment of the Truman Doctrine.
The Truman doctrine’s main purpose is for the United States to help in opposing the spread communist ideals around the world.