Quiz

In what year did the Soviet Union formally dissolve, marking the end of the Cold War?

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Which physicist led the team that achieved the first controlled nuclear chain reaction in 1942?

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What is Uncle Sam a symbol of?

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What is the nickname often used for Area 51?

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Which feature became standard on smartphones in the early 2010s?

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The History of Submarines and Underwater Exploration

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What is at the feet of the Statue of Liberty?

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