Trust, but verify Trust, but verify Trust, but verify (; "Doveryat, no proverit") is a Russian proverb. The phrase became well known in English when used by President Ronald Reagan on multiple occasions in the context of nuclear disarmament. Suzanne Massie, an American writer, met with President Ronald Reagan many times between 1984 and 1987. She taught him the Russian proverb "Doveryai, no proveryai" (; "Trust, but verify"), advising him that "The Russians like to talk in proverbs. It would be nice of you to know a few. You are an actor – you can learn them very quickly." The proverb was adopted
Origins of the Cold War and the Cold War was largely in place in Europe. Outside Europe, the starting points vary in the late 1940s or early 1950s. Events preceding World War II and even the Russian Revolution of 1917, underlay older tensions between the Soviet Union, European countries and the United States. A series of events during and after World War II exacerbated tensions, including the Soviet–German pact in 1939, the Anglo-Americans repeated postponement of an amphibious invasion of German-occupied Europe, the Western allies' support of the Atlantic Charter, Soviet rejection of decisions about Eastern European democracy made in wartime conferences and the Kremlin's