Which two political ideas were most influential in europe after world war ii?

The answer is: Democracy and Communism

After the world war II, Europe was undergone an ideological war regarding how much power the government should have over its people . The communism ideology who advocated for large government power was led by the soviet union while the democracy who advocated for less government power was led by united states and the alliance.

experiments.

surveys.

questionnaires.

interviews.

case studies.

participant and non-participant observation.

observational trials.

studies using the delphi method.

answer; when one group has an extremely high score at pretest;