Many African countries are anyway struggling with money, and receiving a lot of foreign help. Having debt only makes their financial situation worse and increases the need for foreign help. So in a way, richer countries give money to African countries so that the African countries can give it back- this is not optimal.
Another reason is that a stronger Africa could buy more goods from other countries, and the economy of other countries would increase, too.
Make electricity with water
Public Order Crime is an act government has determined is a crime because it goes against society's norms, values, etc. Prostitution is a public order crime throughout most of the United States. Abortion was once a public order crime until made legal by Roe v Wade.
https://en.m.wikipedia.org/wiki/Public-order_crime