How did the spread of civilization begin in the america’s

hat depends on the context, if your speaking about the colonization of when the pilgrams came then it started from the East Coast of what is today the United States and slowly worked its way West. In the beginning of the colonization 13 states were made on the East and the Native Americans had the entire west coast. Eventually more states were added as the colonials pushed further West, Their belief was in "Manifest Destiny" which was the belief that the Americans had the Right to move further west and colonize because it was Gods will. good luck hopefully this helps you

the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.

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