Which was an important effect of the american revolution?
a) americans recognize the rights of slaves.
b) france lost its control of north america.
c) latin american leaders drew inspiration from the american revolution.
d) the british were able to repay their debts from the french and indian war.

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;