Which key theological principle is a fundamental difference between judaism and christianity?
a. teachings of abraham and moses
b. belief in the concept of monotheism
c. jesus christ as the messiah and son of god
d. spiritual guidance through holy books

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.