On Feb. 1, Secretary of State Mike Pompeo announced that the United States would suspend its obligations under the 1987 Intermediate-range Nuclear Forces (INF) Treaty. Pompeo said Russia had violated the treaty for years. The next day, the State Department notified the Russian embassy and the embassies of the other treaty parties, including Ukraine, of the US intention to withdraw from the treaty. President Vladimir Putin that same day said that Russia also would suspend its treaty obligations.
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Steven Pifer: What the death of the INF Treaty means for Kyiv
U.S. President Ronald Reagan (right) and Soviet leader Mikhail Gorbachev sign the INF Treaty at the White House in December 1987.
