Cause: Adolf Hitler was the main cause of WWII because he was the one in charge of the Nazis and telling them to kill at those people.
Effect: Americans joined the war effort and then the allies agreed to fight the war in Europe and after that the war in Asia .
Cause: Nationalism was a cause from the war too because Hitler preached that if you loved your country you will do whatever he says because he knows what is right and the people believed that.
Effect: The Nazis were defeated and Hitler committed suicide.
Cause: The struggles on the Weimar republic- Germany tottered on the brink of chaos, making it possible for a terrible man like Hitler take charge.
Effect: Japan thought that the Americans should go and join the war but this was only for the American colonies in Asia . So they launch the attack on Pearl Harbor , which was a really big mistake.
Cause: Concentrations brought the war because the rest of the world couldn�t stay by and watch all these men, women, and children die because the crazy man didn�t like that religion.
Effect: The war began on Japan and two atomic bombs were dropped and killed more than 110, 000 people and is still effecting people living there today
Cause: When the Nazi started to take over other countries that was enough for other European countries the declare war on Germany because they didn�t want to have the Nazis take them over.
Effect: The Japanese had no other choose but to surrender.