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Nonproliferation, Arms Control, and Disarmament

See How Much You Know About Nuclear Arms Control and Nonproliferation

Test your knowledge of nuclear arms control and nonproliferation, from international treaties to diplomatic forums.

<p>A mushroom cloud rises with ships below during the Operation Crossroads nuclear weapons test on Bikini Atoll, Marshall Islands.</p>
A mushroom cloud rises with ships below during the Operation Crossroads nuclear weapons test on Bikini Atoll, Marshall Islands. U.S. Library of Congress/Reuters

By experts and staff

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  • CFR Staff

With the collapse of a landmark arms control agreement between the United States and Russia, the world potentially faces a new era of nuclear weapons competition. Find out how much you know about nuclear-armed states and global efforts to stop the spread of nuclear weapons.

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