The Road To Pearl Harbor, 1919-1941 Season 1 Episode 9 The Recognition of Russia: A Climate of Mutual Distrust:

From the Bolshevik Revolution in 1917 until the Roosevelt administration officially recognized the U.S.S.R. in the first d©tente in 1933, American relations with the Soviet Union were mistrustful and hostile. Cold War attitudes can be traced back to this period and the national paranoia over Bolshevism.