Question

PLEASE PLEASE PLEASE HELP!!

Which statements describe the decline of Sumer?

Choose all answers that are correct.

A.
The swamps bred insects that carried disease.

B.
The needed canals became too costly to build.

C.
There was a lack of natural barriers that could discourage attack.

D.
As the fields of Sumer grew saltier, harvests became smaller.

Answer 1

C and D