Answer:
General Dwight D. Eisenhower
Explanation:
He became General in the European theater (area) and by 1943 was Supreme Allied commander of all of Europe.
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The correct answer is c) Question assumptions.
Explanation: the main idea of the "Question Assumptions Technique" is to identify every assumption that has already been made and reconsider if they are really true or not in order to find a solution to a problem.