Egypt and Nubia relied on the Nile river because it:

Gave them a lot of resources like water, good farming soil, and was believed it was a Sacred RIver for the Egyptians.

Explanation:

were at first enthusiastic in support of the revolution. however, over time divisions of opinion became apparent between federalists and anti-federalists

this is a good question! i'll do some research and come back when i have the answer!