Why did government make laws for factory workers during the industrial revolution

In 1833 the Government passed a Factory Act to improve conditions for children working in factories. Young children were working very long hours in workplaces where conditions were often terrible. The basic act was as follows:

However, the passing of this act did not mean that the mistreatment of children stopped overnight. Using these sources, investigate how the far the act had solved the problems of child labor.

answer; /// the correct answer is (a) burned the city;