How did Hitler impact WW 2?

he started the world war II by by sending tanks to attack poland. the war also ended by germany surrending a week after hitler commited sucide.

Explanation:

after Treaty of Versailles forced germany to pay the cost of all the destructions, germany fell into huge dept and poverty. german hated the allies for this, finally when hitler became the dictator of germany he got the germany out of debt and started a world war 2 and killing jews. hitler is a very important part of of the war world 2 as he started the world war and his death ended the world war