Answer:
<u>A. Truman doctrine</u>
Explanation:
the truman doctrine was trumans effort to prevent communism from expanding to europe, and to protect themselves.
its also been answered before here:
brainly.com/question/3897469?referrer=searchResults
The congress works with the house of representatives and people who work for the house of representatives work with the congress but i depends on witch congress you are takling about.