Why did manufacturers hire children to work in their factories?
a - factory owners could pay children less money than they paid adults.
b -children were able to complete more work than adults.
c -children could work for eight hours per day.
d -factory owners expected children to do demanding physical labor.

A - Factory owners could pay children less money than they paid adults.  

Explanation:

Whenever a business/production line proprietor can lessen his/her expense with respect to paying laborers, they will take. This is the situation with children laborers. Not paying these youngsters indistinguishable wages from grown-ups enable the processing plant proprietors to keep more money for themselves or they can utilize that capital for other expenses.

A - Factory owners could pay children less money than they paid adults.  

Explanation:

Whenever a business/production line proprietor can lessen his/her expense with respect to paying laborers, they will take. This is the situation with children laborers. Not paying these youngsters indistinguishable wages from grown-ups enable the processing plant proprietors to keep more money for themselves or they can utilize that capital for other expenses.

the answer is b. hope this

i'm not certain but i'm pretty sure it was spanish and portuguese america.