1) Oil prices and economic inefficiency.
Yamani, declared that Saudi Arabia was quitting the agreement on oil production restraint, and started to boost its share in the oil market. After this, Saudi Arabia increased oil production by 5.5 fold, and oil prices dropped by 6.1 fold,
2) ethnic tensions
3) Gorbachev’s reforms
I would solve the problem of black people shooting each other because that is not good we can't be turning on each other like that we need to stick together and wait for salvation cause the more we kill the more we sin, and if we learn to only love our people then we will be ok.
