U.S. History

What was the first year in which the government mandated that all new cars be equipped with seat belts?

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Who was the first woman to serve in two different posts in the cabinets of two Presidents?
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Where was President Kennedy's official autopsy performed?
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What were Alexander Graham Bell's first words on the telephone?
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Which Indian leader rode in President Theodore Roosevelt's inaugural parade?
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When did the Salem Witch Trials take place?
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What college did President Franklin Pierce graduate from?
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What company was Vice President Dick Cheney once CEO of?
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What was the only state that was formerly a kingdom with a ruling monarch?
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