The treaty of Paris i think 1812
Children used to work in factories due to child labor. The men would be off fighting in wars and the women would work at factories or stayed at home. With children they didn't have to get paid because of their age and were treated badly. That is why they were chosen to start working in factories.
Because of how the earth revolves on its axis effects the weather at different places in earth but for green house its mostly because of pollution overheating the atmosphere and thinking our ozone layer so were not as protected from the sun and things in space.
