The Manhattan Project. The greatest scientific minds of the time working to create war-winning technology faster than the Nazis could.

The result of which would both win the war and change the world.

Sorry, we don't allow throughout history questions. These tend to produce threads which are collections of trivia, not the in-depth discussions about a particular topic we're looking for. If you have a specific question about a historical event or period or person, please feel free to re-compose your question and submit it again.