What was the main reason Kush fell?

Kush had its own dynastic leaders, trade systems, adaptations of Egyptian religion, and even its own alphabet and languages. Kush became weaker as Egypt was absorbed into the Roman Empire and Rome came to dominate trade to the north.

Explanation:

whose power in the senate is equal to the power of the speaker of the house?

the western roman empire flourished, but the eastern portion of the empire struggled.