How does degradation in quality of life occur?​

The Degradation of quality when life occurs to rampant population growth, lack of economic opportunities, poor amenities available in the locality, lack of education and unchecked migration.

it may be coz of low quality of food , unhygenic food ,no peace , high expectations from others and so on

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.