What geographical feature made possible the union of upper and lower egypt?

The Nile River is the geographical feature that made possible the union of Upper and Lower Egypt.

Commonly regarded as the longest river in the world, the Nile is the major north-flowing river in northeastern Africa, though some sources has given the title of the longest river to the Amazon River.

why do you think kush in nubia is not as well-known as egypt?

why do you think kush in nubia is not as well-known as egypt?

the answer should be:

their party has more members.

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