Even though the United States refused to sign the Versailles Treaty, thereby isolating themselvex diplomatically, they were still very much involved in the world how?
A)
economically
B)
educationally C)
environmentally
D)
technologically

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.