How much do you know about the Second Amendment? A quiz.

The US Supreme Court in 2008 began a major reexamination of the right to keep and bear arms. How well do you know the Second Amendment? Take our quiz.

15. According to the National Rifle Association, how many privately-owned guns are currently in the United States?

Ann Hermes / The Christian Science Monitor
(Read caption)



1.6 million


45 million


More than 250 million.

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