Which main factor contributed to the downfall of Mesopotamia, Egypt, and the Kingdom of Kush? Group of answer choices

corruption and war

drastic population growth

periods of drought

bad agricultural practices

The correct answer is corruption and war

Explanation:

All other options except the first one led to the crisis and problems connected to economy, but on the other side didn't led to the destruction of those countries. Still, on the other side what was known to all mentioned countries was corruption. That led to internal crisis that were finished with the invasion of outsiders. The best example for that is Egypt, as Old, Middle and then New Kingdom disappeared in wars.