World War II impacted the lives of hundreds of millions of people around the world, yet it was the decisions of a few powerful leaders that arguably shaped the outcome of the bloodiest war in history. From Hitler, who was responsible for initiating the conflict; to Churchill, the man who took Britain to war as Nazi forces started to take Europe by force; Hitler s close ally Mussolini; and Roosevelt, who brought America into the war in 1941, we look back at the men whose decisions meant the difference between life and death for millions of innocent civilians. Archive footage that has rarely been seen in the past 70 years, expert analysis and previously unseen footage shape an in-depth portrait of four men who perhaps did more to influence the path World War II took than any other. These are the Wartime Leaders of World War II.