Explanation: industrialization
(industrialization = building new factories during the time of the industrial revolution)
The industrialization changed:
Employement: A lot more people started to work in the industrial and service sector
Population: There were a lot more people.
Cities: More people moved to the cities (urbanization). Also more cities were founded.
Massproduction: Goods were produced faster and in large bulk. The prices of goods decreased. More people could buy things.
Society: a middleclass emerged. This group of people were the factory owners. They were getting more influence on politics.
capitalisme: To own factories and gain the most profit became more important.
Environment: more pollution