D income hope this is right. if not I'm sorry and plus the rest of the choices did not make sense to me.
Because of jobs, safety and family.
I think the second one might be the answer but please let me know if Im wrong
Because factories was the first time a establishment had been made that allowed people to labor inside, instead of outside in the unpredictable weather. This fact plus many others opened doors to modern day labor or work employment, which changed history.