According to the invasion theory, what caused the fall of the Kingdom of Kush?

The thing that caused the fall of the Kingdom of Kush was Alexander the Great and his armies invaded and conquered the area.

Explanation:

What was the main reason for the decline of the Kingdom of Kush? Alexander the Great and his armies invaded and conquered the area. Widespread disease and diminishing trade led to its downfall. The Kingdom of Axum grew and dominated trade in the region.

It Is A = Kush was invaded by another ancient civilization. >:0

Explanation:

I did the quiz and got it right mwahahahhaa >:()   >:[]    >:]   >:}  >:)

porter is writing economic history because he is focusing on the cost of developing vaccines.

this isn't a question and if you're going to list things be kind and use commas.