The ancient civilizations of mesopotamia, egypt, india, and china had which of the following in common?
a.
they worshipped a single god.
b.
they developed along a river.
c.
they shared the same language.
d.
they used the same writing system.

The answer is most likely B because using the process of elimination you can assume that it is B. A is wrong because they practiced polytheism and not monotheism C is wrong because they didn’t share the same language, and D is wrong because They didn’t use the same writing system

Where is the map? it's not showing