help me to crack a long sentence from OG

ca3ltoys

Well established among segments of the middle and upper classes by the mid-1800's, this new view of childhood spread through out society in the late-nineteenth and early-twentieth centuries as reformers introduced child-labor regulations and compulsory education laws predicted in part on the assumption that a child's emotional value made child labor taboo.

Please help me to translate it, explain the sentence structure, and point out the functions and meanings of those words underlined. thanks.

mariezhu

It can be transformed like this:

A new view of childhood, well established among segments of middle and upper classes by the mid-1800's, spread throughout society in the late 1900's and early 20th centuries when reformers introduced  certain regulations and laws, which are predicted in part on the assumption that a child's emotional value made the child labor taboo;

ca3ltoys

It can be transformed like this:

A new view of childhood, well established among segments of middle and upper classes by the mid-1800's, spread throughout society in the late 1900's and early 20th centuries when reformers introduced  certain regulations and laws, which(修饰regulations and laws???) are predicted in part on the assumption that a child's emotional value made the child labor taboo;

fair_sword

我觉得应该是. they(reformers) predicted in part. 继续讨论!

bejamin1111

predicted作为modifier修饰preceding noun。