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He didn't want total world domination. He explained all in his book "Mein Kampf". He just wanted "living space" for Germans in Eastern Europe and the dissolution of USSR.
Above all he wanted a leading position (not world domination) for the Aryan race, because he thought Aryan race was spiritually (and physically) superior than other races.
Semantics. He wanted to dominate everywhere he could project his military power. Including the America's.
I hope you are not one of those National Socialist sympathizers.