The cities of new york, baltimore, and philadelphia began to become wealthy in the late-1600s because of what economic activity?

The cities of New York, Baltimore, and Philadelphia began to become wealthy in the late 1600s because of the economic activity of trading.

Explanation:

The 1600s represent a big time of changes for America as foreigners arrived to the exotic land and started to colonize it. This sudden overpopulation founded new cities that started to gain wealth due to its economic activities.  On the east coast of the country, New York, Baltimore, and Philadelphia were among the biggest and wealthiest cities, mainly due to their trade capacities. In the three cities, Dutch, English, Swedish and Irish merchants had settled and started to develop trade posts in order to exchange goods such as furs and different foods, as well as manufactured products. These activities made these cities commercial hubs and represented a huge financial boost for the area.

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