America embraced a policy of expansion, both within the continent and overseas, at the turn of the century to pursue its economic, military, and strategic interests.
World events and Allied propaganda persuaded the United States that it was in its best interest to enter World War I.
The frustration of its idealistic goals for world peace led to America’s rejection of its new role as a world power after World War I.
Societal rules changed as a result of World War I for women, minorities, and class.
World War I and American isolationism led to World War II.
