Why did ww2 start and how did it end?

The world ended because America dropped a bomb on Hiroshima which caused the world to end because the Chinese gave up.

WW2 started because Germany was on a rampage to rule the entire world and it ended by Germany's ally Japan got bombed by America twice

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the articles of confederation placed most of the power on the feds

they had more african americans than any other state.

hope this , have a good day. c;