Lincoln's main purpose in “the gettysburg address” is to:
a. argue why the union will win the war
b. explain the importance of the war and inspire people to support the union
c. seek money for the families of those who died
d. identify the soldiers who died in battle

(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.

a is the final : )

it increase by 12% a year from 1812-1820