I told him that my own opinion was that the time now and the method now to deal with Russia was to keep our mouths shut and let our actions speak for words.

As Secretary of State (1929–1933) under Republican President Herbert Hoover he articulated the Stimson Doctrine which announced American opposition to Japanese expansion in Asia. Roosevelt. During World War II he took charge of raising and training 13 million soldiers and airmen supervised the spending of a third of the nation's GDP on the Army and the Air Forces helped formulate military strategy and took personal control of building and using the atomic bomb.