Answer:
A. Some political leaders built successful careers by opposing
Communism.
Explanation:
Republican Senator Joseph R. McCarthy of Wisconsin, for example, dedicated most of his time trying to expose communists in the United States government. Senatore McCarthy convinced many Americans that their were communitsts leading something in the United States. In 1954, McCarthy attacked the U.S. Army and was condemned by Congress.
Answer:
City-state, a political system consisting of an independent city having sovereignty over contiguous territory and serving as a centre and leader of political, economic, and cultural life.
(I don't know how it spreaded though, sorry :<)
