I think its B because D-Day stands for Allied landings in Normandy on the 6th of June in 1944.
Adolf Hitler. Stalin was determined to make Churchill appear as the "bad guy"
After World War I, the United States had adopted a policy of isolationism, where they would not participate in global warfare or officially join the League of Nations. Roosevelt delivered the Four Freedoms speech 11 months before the United States declared war on Japan. The Four Freedoms speech was a break from the previous period of anti-interventionism, and described how the United States would be willing and able to assist its allies already at war.
In China’s civil war, the United States backed "<span>the Nationalists, led by Jiang Jieshi," since the United States during this time was heavily opposed to the expansion of communism. </span>