Which leader best understood the threat of Adolf Hitler to Europe and the world in the 1930s?

Neville Chamberlain

Franklin Delano Roosevelt

Winston Churchill

Joseph Stalin

D I think

Joseph was a person who was evil, and logged for war.

leader best understood the threat of Adolf Hitler to Europe and the world in the 1930s is Sir Winston Churchill

He was a British author, leader and political leader. double named prime minister of the UK, he solid alliances with us and Union of Soviet Socialist Republics to defeat Nazi Germany in warfare II. British national leader, orator, and author UN agency as prime minister (1940-45, 1951-55) rallied folks |the British|Brits|nation|land|country|a people} people throughout warfare II.