In the 1870s _ began to investigate factory conditions new york jersey

The Bureau of Statistics and Labor in Massachusetts was the earliest and pace-setting organization among the nations. Their first yearly report in 1870 give a detailed accidents involving children working in a factory just like paper mills and textile mills and other big establishments. They sent investigators to all employers to notice surroundings and circumstances first-hand.
 hope this helps plz mark branliest 

Hey mate here is the answerthe correct answer is ( gold) may it will you