Final answer:
The Soviet Union was a member of the Warsaw Pact, while NATO consisted of Western European states, the United States, and Canada.
Explanation:
The Soviet Union belonged to the Warsaw Pact. The Warsaw Pact was a military alliance between the Soviet Union and Communist nations of Eastern Europe from 1955 until the dissolution of the Soviet Union in 1991. In contrast, NATO was formed after World War II to counter the threat posed by the Soviet Union and included Western European states, the United States, and Canada as members.
Learn more about Warsaw Pact, NATO, Soviet Union here:
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