How did the south reverse much of the civil rights act of 1866?

by electing african americans

by electing a southern president

by passing black codes

by passing blue laws

workers of lowell mills were greatly benefited for the waltham type of work which was more a paternalist kind, trying to protect the integrity of this little girls coming from small farmers and providing an adequate place of work, this in an effort to avoid the issues of bad place conditions and immorality that the people in bigger industrialized cities of great britain were experimenting.