Which geographic feature of the Atlantic coastline greatly impacted the economic growth of colonial commerce A. High rocky cliffs
B. Many offshore islands
C. Natural harbors
D. Barrier reefs

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The correct answer is C. Natural harbors .

Explanation:

The main geographical advantage of the Atlantic Ocean coast in commercial terms in colonial times was the existence of abundant natural ports. Thus, places like the coast of Boston or New York, or the river accesses to the cities of Philadelphia and Washington meant that large cargo ships could maneuver and unload their goods easily, without the need to build specific facilities for it.

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