Final answer:
Appeasement was a failed policy of giving in to aggressive powers to prevent conflict, which ultimately led to the outbreak of World War II.
Explanation:
Appeasement was a policy followed by Western democratic governments, particularly the French and British, in the late 1930s before World War II. It involved giving in to the demands of aggressive powers, like Hitler's Germany, in the hopes of preventing further conflict. This strategy of appeasement failed as it emboldened Hitler and allowed him to expand his territory unchecked, ultimately contributing to the outbreak of World War II.
Learn more about Appeasement policy before World War II here:
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