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
Historiography of the Cold War expansionism in the immediate years following World War II. Bailey argued Joseph Stalin violated promises he had made at the Yalta Conference, imposed Soviet-dominated regimes on unwilling Eastern European populations and conspired to spread communism throughout the world. From that view, American officials were forced to respond to Soviet aggression with the Truman Doctrine, plans to contain communist subversion around the world and the Marshall Plan. Another prominent "orthodox" historian was Herbert Feis, who in his works like "Churchill, Roosevelt, Stalin" and "From Trust to Terror: The Onset of the Cold War" stated similar views. According to him, Soviet aggression