In case you haven't seen this

This was FDR nearing the end of World War II (and his life) discussing the economic principles he thought should guide the post-war period.  And while many of these ideas were imposed--ironically at gunpoint--on those nations we had defeated, the USA itself would lapse into the reactionary politics of the Cold War.  Eventually, these reactionary policies would undo the overwhelming economic advantage USA would have in 1945.