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"I find hope in the work of long-established groups such as the Arms Control Association...[and] I find hope in younger anti-nuclear activists and the movement around the world to formally ban the bomb."

– Vincent Intondi
Author, "African Americans Against the Bomb: Nuclear Weapons, Colonialism, and the Black Freedom Movement"
July 1, 2020
Strategic Arms Reduction Treaty I (START I)
 

The Strategic Arms Reduction Treaty I (START I) was the first treaty that required U.S. and Soviet/Russian reductions of strategic nuclear weapons. It was indispensable in creating a framework that ensured predictability and stability for deep reductions. 

The dissolution of the Soviet Union caused a delay in the entry into force of the treaty, as the classification of states as nuclear or non-nuclear had to be determined, among other things. Reductions of nuclear weapons had to be completed within seven years after entry into force and maintained for another eight years. States were verified by on-site inspections. Both the United States and the Russian Federation continued reduction efforts. 

Opened for Signature: 31 July 1991

Entry into force: 5 December 1994

Implementation Deadline: 5 December 2001

Expiration: 5 December 2009

Official Text: https://media.nti.org/documents/start_1_treaty.pdf    

ACA Backgrounder: https://www.armscontrol.org/factsheets/start1