Question

What geographic factors led to the decline of Sumer?

Choose all answers that are correct.

A.
It was located in a flat plain, and isolated from trade routes.

B.
Grain fields of one city-state bordered those of another, which caused territorial wars.

C.
The Tigris and Euphrates rivers flooded every year, leaving behind dark, fertile soil.

D.
The cultivated soil had poor drainage.

Answer 1

The main geographic factor was the increase of salinity in the soil. This reduced agricultural yields which led to a decrease in population. This allowed other populations to flourish and eventually to the complete elimination of the culture.

Answer 2

English plzz?

Answer 3

well b

Answer 4

and d

Answer 5

i dont know the rest