The Nile River was important to both Egypt and Nubian because it: A. cut them off from contact with other lands.
B. was shallow enough to cross without boats
C. made the land good for farming.
D. never flooded during times of heavy rain.

c

Explanation:

The nile did flood which watered the soil.

no options provided, here,but the answer to this question is often: a historian cites a japanese newspaper article published a year after the end of world war ii in order to draw conclusions about the effect of the war on the japanese economy.

clearly from the answer, the historian alludes to historical sources,and records to aid in analyzing and drawing conclusion on the effect of the war on the economy of japan.