There are several reasons World War 2 (1939 -1945) begin. Some of them are : - the Treaty of Versailles : The treaty required that Germany pay a huge sum of money called reparations. The problem with the treaty is that it left the German economy in ruins.
- Japanese expansion :J<span>apan began to look to grow their empire in order to gain new resources. They invaded Manchuria in 1931 and China in 1937. </span>
- the Fascism (Franco in Spain, Mussolini in Italy and Hitler in Germany).These dictators wanted to expand their empires and began to look for new lands to conquer.
- Unstable governments as a result of the economic suffering after the World War 1(The great depression)
All of the answers mentioned in the question are reasons for the begin of World War 2.
