Child Labour means, making the child work (employed) when the child should be getting all the benefits of childhood.
Interfering with the ability to studying and rather making them work for earning. Hence, it can be said as mentally, physically and morally dangerous to a child.
Child labour was employed to varying extents through most of history. Before 1940, numerous children aged 5–14 worked in Europe, the United States and various colonies of European powers.
These children worked in agriculture, home-based assembly operations, factories, mining and in services such as newsies. Some worked night shifts lasting 12 hours. With the rise of household income, availability of schools and passage of child labour laws, the incidence rates of child labour fell.