The Assassination of Arch-duke Ferdinand of the Austro-Hungarian empire.
Germany wanted revenge after world war 1.
They didn't? You're thinking of World War II.
The US entered the war for a variety of reasons
1. World War I and the treaty of Versailles 2. Adolph Hitler
Well, it didnt :3 He or She is right ^^^^^^ World war 2 came after world war 1 not before. Hope this helps T.M.M :-)
Japan's move on war.
After the first world war, there was the Depression
they started it
racism and resources
pie
Two reasons for the higher number of deaths in World War II compared to World War I were the increased use of advanced weaponry, such as tanks and aircraft, and the widespread targeting of civilians in bombing raids.
the min reasons why th war started is because they killed a president and wanted land the min reasons why th war started is because they killed a president and wanted land