CAUSE OF WAR
At the end of WW1, treaties that ended started a new political and economical problems. Very powerful leaders in several countries took ad vantage of the problems in 1941. Then soon Germany decided to invade the solvent union. Then Japan attacked the U.S military bases at pearl harbor Hawaii. On September 1, 1939 was the start of WW2.
DURING THE WAR
Germany, Italy, and Japan joined a group called the Axis (to the U.S. they were the bad guys). Soon after several other countries joined the Axis. Soon there would be Allies. The Allies were the U.S., Canada, and France. Just like the axis several other countries eventually joined the Allies. By the end of the war 50 countries joined the Allies. Japan, Italy and Germany had a policy of aggression to it’s territories during the 1930’s. They decided to invade weak lands that could can be taken over easily.
On September 2 , 1945 the lone american b-2 bomber droped the first atomic bomb on japan and Japan finally gave up which led all the allies countries in winning the war.