History Comprehensive Nuclear-Test-Ban Treaty

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reagan , gorbachev, december 1987


in october 1977, us, uk, , soviet union returned negotiations on test ban. 3 nuclear powers made notable progress in late 1970s, agreeing terms on ban on testing, including temporary prohibition on pnes, continued disagreements on compliance mechanisms led end negotiations ahead of ronald reagan s inauguration president in 1981. in 1985, soviet leader mikhail gorbachev announced unilateral testing moratorium, , in december 1986, reagan reaffirmed commitment pursue long-term goal of comprehensive test ban. in november 1987, negotiations on test ban restarted, followed joint us-soviet program research underground-test detection in december 1987.








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