Look it up on goolge they have the anwer
Often, the conditions that children and workers worked in were unsafe and they worked long hours with no rest. they worked all day. sometimes they would get stuck in machinery and get hurt or even die. also, working in factories caused health problems for many children and workers.
If I recall it was scotland because they were very good workers with cloth and britian because they worked hard and American business men would pay more than british