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
Sweatshops were factories that treated the workers unfairly which could consist of low wages, poor environment, and possibly working long hours.
The Glorious Revolution had a drastic effect on government in that it greatly restricted the rights of the Monarchy, in favor of the Parliament, which consisted of representatives elected by the citizenry.
In 2016, California passed 900 new laws. In 2015, there were 930 new laws. About 900 laws will be passed in 2017 as well.
So, if you are counting only 2015, and 2016, there were approximately 1830 new laws in those past two years only in California. Not all of them are good, not all of them made people happy, but it is not the people who decide about this, unfortunately (or perhaps fortunately?).