Formulate the features of the development of the trade union movement in the late XIX – early XX century?

Formulate the features of the development of the trade union movement in the late XIX – early XX century? What are they caused by?

Trade unions originated originally in England. When the industrial revolution took place, a large number of workers appeared who worked, whose labor cost money and was, in fact, a commodity. Together with this, it became necessary to defend the interests of the workers. The easiest way to do this is to create a union. Trade unions monitored working hours, working conditions, wages in factories, and safety at work.