Answer:
Two hundred years ago this month, the United States abolished the trans-Atlantic slave trade. Eric Foner, a historian at Columbia University, takes listeners inside the historical moment tied to one of America's darkest eras.
Explanation:
Following the rivers was a good strategy in the idea that they wouldn't need to cross the river too many times. Crossing the rivers was hazardous, and many lives were lost if the waters weren't shallow.
Additionally, it was a source of drinking water, and a gathering place for animals they could hunt for food.
I am truly sorry, but I can not help you.
The south was the main trader before the civil war and It hurt the agricultural trading the south was doing with Europe. The south lost money and the north kept the agricultural product trade local