Low level of education is generally determined by the way the education system is designed/implemented. Population wouldn't give direct impact to this. Here are how over-population can cause problems on the other options:
- Pollution
Every individuals produce a certain amount of waste from the consumption of their product. The more population exist in a country, the more waste will be created.
- Disease
Over-population often forced many people to live in a cramped/unsanitary areas. This will increase the rate of disease in that area.
- Employment
The increase in potential labor force in an overly populated area often rise faster compared to the increase in job opportunities. This will cause a high amount of unemployment.
In the 1700s it was almost exclusively monarchies that existed in the European states. This was changed great with the American Revolution and the French Revolution.
