germany,france,europe,world war ii,soviet union,joseph stalin,franklin delano roosevelt,benito mussolini,d-day,north africa,battle of britain,military history,blitzkrieg,world history,adolf hitler,winston churchill,nazi germany,fdr,united states,harry s. truman,holocaust,u boat,second world war,battle of moscow,fall of france,operation barbarossa,battle of stalingrad,dwight david eisenhower,charles de gaulle