This treaty formed by the winners of WWI, including America placed all the blame of WWI on Germany. This unfair blame of Germany caused them to want revenge and led to WWII.
Stock Market Crash
The Stock Market Crash in the U.S. marked the begining of the Great Depression in America. This affected the war because America went to work supplying ammo for the Allied Powers.
FDR elected into Presidency
FDR was the President during the begining of World War II and due to the war he was elected into office three times in order to finish what he started. With him in charge for most of the war America caused a swing in momentum in the war.
Germany attacks Poland
While this event does not directly involve the U.S. it does affect us. This is the start of the second World War.
Attack on Pearl Harbor
The Attack on Pearl Harbor was what caused America to join the war. America was completely unprepared for the attack but also could have prevented it.
The D-Day invasion of Normandy was a large scale invasion that allowed the U.S. to get troops into France. The invasion had many casualties but was a major turning point in the war.
Short for Victory in Europe Day, VE day was the day that Germany finally surrendered.
First Successful test of the atomic bomb
This successful testing brings in a new age of technology in the United States. It also allows us to force the Japanese into surrendering.
Bombings of Hiroshima and Nagasaki
Towards the end of the war the U.S. wanted to end the war in the Pacific in Japan and decided to drop an atomic bomb on Hiroshima. After the Japanese still didn't surrender and so the U.S. dropped another atomic bomb on Nagasaki 3 days later.
Shortly after the droppings of the nuclear bombs Japan is forced to surrender. This is the official end of World War II for America.