collaborationism

/kəˌlæbəˈreɪʃəˌnɪzəm/
noun
  1. The political ideology or policy of cooperating with an enemy occupying one's country, especially during wartime.
    • The historian's book examines the rise of collaborationism in occupied Europe during World War II.
    • Some scholars argue that collaborationism was driven more by survival than by political belief.
    • Collaborationism was widely condemned after the war, and many collaborators were put on trial.
Antonyms
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