Here are the answers for the questions you provided:
Question 1: What changes occurred to public schools in the United States between 1870 and 1920? Select the two correct answers.
- Enrollment numbers tripled.
- Children of all social classes went to school.
Question 2: Why did artists and novelists embrace realism over idealism in this time period?
- They wanted to alert people to the harsh lives of the urban poor.
Question 3: Which technique was Paul Laurence Dunbar the first writer to employ?
- African American dialect.
Let me know if you need any further assistance!