Why did child labor become so widely used during the Progressive Era? Select three options. Education was no longer valued by the working class.
Children needed to help bring in income for their families.
Business owners could pay children less money than adults.
Children in major cities were willing to work in factories for no pay.
Unskilled labor could be used to operate newly developed machinery.

No, I believe the answers are 2, 3, 5

Explanation:

Its not 4 because children needed to bring in income for their families, so they weren't willing to work without getting any pay. Its not 1 because education wasn't valued at all yet.  I believe 2, 3, and 5 are correct.

a. always outside of government control.

the emancipation proclamation was the aim of the war change to include the freeing of slaves in addition to preserving the union. the 13th amendment, which abolished slavery in the u.s. was passed on december 6th 1865.

as promised, lincoln waited to unveil the proclamation until he could do so with success from the union military advance. on september 22nd 1862, after a victory at antietam, he publicly announced a preliminary emancipation proclamation, declaring all slaves free in the rebellious states as of january 1st 1863.