Mark three ways the attitudes of the United States changed after World War I.

- Many Americans took a more global view of the role of the United States in world affairs.

- Some Americans modified their understanding of the policies and motives of European powers, particularly of allied countries.

- However, the United States returned to isolationism after the war, an attitude reflected in the refusal to join the League of Nations and ratify the Treaty of Versailles.

Explanation:

to reform the distraught soviet union, the democratization of the communist party was promoted through party secretary mikhail gorbachev's policies of “perestroika” and “glasnost.” perestroika refers to the reconstruction of the political and economic system established by the communist party.