What is a trust ?
a. a large company that consists of two merged businesses
b. multiple businesses that combine and operate in one state
c. a business that buys another business
d. a large company or combined businesses that control a specific market

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.