HELP 50 POINTS The Swahili Coast developed its own unique culture that

A. was influenced by a mix of other cultures.
B. existed before other cultures were present in the region.
C. no longer exists in the region today.
D. initially emerged in isolation from other cultures.

B) Exsited before other cultures where present in the region

Explanation:

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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