The US copied a lot from Germany too. https://www.businessinsider.com/6-things-us-stole-from-germans-during-wwii-2015-5?IR=T https://www.businessinsider.com/6-

The US copied a lot from Germany too. https://www.businessinsider.com/6-things-us-stole-from-germans-during-wwii-2015-5?IR=T https://www.businessinsider.com/6-things-us-stole-from-germa... Jets and Rockets were built by the Germans first. https://www.bbc.com/future/article/20160201-the-wwii-flying-wing-decades-ahead-of-its-time https://www.bbc.com/future/article/20160201-the-wwii-flying-...