The war in Europe was started by Adolph Hitler. See the related question below for the answer about why he did it. The Japanese started the war in the Pacific because of an oil embargo put on them by the United States. They needed petroleum and other natural resources so they chose to go to other nations to get it even if it meant invading those nations. They did not want the US to interfere with their plans so they thought they would eliminated the USN Pacific Fleet. They bombed Pearl Harbor and that entered the US into World War 2 officially.
Germany started world war 2 when they invaded poland
In world war 1,germany started the war,but in world war 2,japan started it and usa ended the war
world war 1 started July 28th 1914 and world war 2 started 3rd September 1939
The German Invasion of Poland started World War 2.
Adolf Hitler started world war two when crowned chancellor of germany and invaded country
Nazism started World War 2
World War 2 was started in 1939
It started on 1st of September 1939.
The First World War ended in 1918, World War 2 started in 1939, so there was 21 years between them.
The world war 2 started on September 1, 1939 to September 2, 1945.
School stoped when World War 2 has started
yes where world war 2 was started