Europe , Asia , And Africa I Think
Answer:
The Industrial Revolution saw the rise of factories in need of workers. Children were ideal employees because they could be paid less, were often of smaller stature so could attend to more minute tasks and were less likely to organize and strike against their pitiable working conditions.
The <span>NKVD was part of Stalin's secret police force.
I hope this helps you and have a great rest of the day! :-) </span>