Differences between world war one and world war two

In world war 1, it was all about how a serbian nationalist shot the archduke. then all the countries got mad at each other in the domino effect and they all declared war on each other. Also where Hitler got rise to power after the war ended.

WW2, Hitler doesn't really like the jews, so Germany and the Japs team up to take over the world. Doesn't really work out. America comes in and kills all the japs then Hitler rage quits the world because the Russian spawn killing everyone

One killed more people than the other

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