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Glossary Term – Event

Hydrogen bomb test

The United States exploded a hydrogen bomb on Eniwetok, an island in the Pacific Ocean. The detonation destroyed the island in a three-mile wide mushroom cloud. The successful test marked a new era in the arms race.

Glossary Term – Event

Nuclear test moratorium

The United States began a voluntary nuclear test moratorium in hopes that the USSR would agree to do the same. The Soviets resisted at first, completing tests on November 1 and 3, before beginning a self-imposed twelve-month ban.

Irving Kaplan, Preliminary statement of the Association of Manhattan District Sc

Primary Source

Physicists predict a nuclear arms race, 1945

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