After World War II, the United States encouraged other nations to adopt democratic governments. It opposed the totalitarian system of the Soviet Union.
Explanation:
Countries aligned with the United States formed the Western Bloc. In particular, the western bloc included all the countries of the Atlantic Pact whose "armed wing" was NATO and the allied countries of the United States outside Europe, such as Australia, New Zealand, Japan and South Korea.
In reality the expression was a simple counterpart to the Eastern bloc much more cited in the common life of the countries of Western Europe. It was often preferred to also use the term free world or democratic world as opposed to the Eastern bloc, characterized by its authoritarian regimes.
George Creel headed the Committee on Public Information
during the time the U.S. joined the First World War. They used every method
within their disposal to convince Americans to support the war effort. They used printing posters, radio programs
and even the movies to convince public opinion that it was necessary for
America to take part in the war.