The inside story of how three unlikely allies won World War II

Suspicious and distrustful, Roosevelt, Churchill, and Stalin still had to work together.

Winston Churchill, Franklin Roosevelt, and Joseph Stalin were an odd trio. Churchill, the United Kingdom’s prime minister, was a bullish aristocrat famous for his brandy and cigars while Roosevelt, the U.S. president, had a well-known antipathy to the British Empire. Stalin’s differences with the two were stark: The Soviet dictator was responsible for the murder of millions of his own citizens. Yet when Adolf Hitler invaded the Soviet Union in 1941, these three, larger-than-life leaders joined forces to win World War II, as Winston Groom explains in his new book, The Allies, which is published by National Geographic. (Learn about a daring mission to stop a Nazi atomic bomb.)

Speaking from his home in Point Clear, Alabama, Groom

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