In the late 1800's, which group was hired to work in factories
because their
pay rate was so low?

Explanation:

Child labor was very big during the late 1800s through the early 1900s. At times children were more useful laborer because their size allowed them to fit into tight spaces throughout the factories or mines. Many factory owners would hire children opposed to adults because they accepted lower wages as pay.

after the roman empire, the catholic church began to unify by taking on many duties of a government.