Why do so many who participate in genocide deny their involvement? A)They believe their actions were justified by higher power

B)The feel enormous guilt yet do not want to face severe punishment

C) They acts are so violent that their minds cause them to forget

D)They do not actually believe that the events occurred

I need help :(

The service industry in the united states grew in the late 1800s. what was one effect of that growth? the number of people with jobs in factories as unskilled workers decreased. the number of people with jobs in factories as unskilled workers increased. the middle class grew as people took jobs as clerks, lawyers, and teachers. the middle class shrank as people left jobs as clerks, lawyers, and teachers.