How did colonization affect the course of american history

Colonization is what made America. European nations colonized American in late 1600's and early 1700's, without this America may not existed as no Europeans would have lived there, made homes there, and fought for their independence there.

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"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.