Select the correct answer. Which of the following factors was key to the formation of the first civilization in the Nile Valley?
A.
Nomads acquired more livestock to increase their wealth.
B.
The region experienced a surplus of food.
C.
Artists created art to pass on to future generations.
D.
Farmers lived near a river that never floo

c

Explanation:

B. The region experienced a surplus of food.

Explanation:

in this part of the declaration it refers to the point when american people didn't recognize the british domain and   breaks the political bands with britain, they forced a respectful separation.

mankind was created and entitled equally with rights   which were life, freedom and the seeking for happiness.

answer; /// i believe that the correct answer is(cognitive revolution);