I believe it's A.) A means of communication. It depends on what you're using it for in a sentence. Hope this helps! :))
Answer:
by any chance is it Democracy?
Mussolini expanded into Africa, while Hitler was planning on expanding on Germanys European neighbors.
Answer:
1945-1989 was period of United States foreign policy focused on the containment of the spread of communism in other nations also known as cold war.