Hurry please and thank you ! What caused the power struggle between Pope Gregory VII and Henry IV?

conflict over who could choose the bishops

disagreement over who should construct monasteries

conflict over who should be crowned the next monarch

disagreement over the required amount of church donations

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.