Why african americans went north and what benefits it had

To make an etching the artist first coats the entire printing plate with an acid-resistant substance called a made from beeswax, asphalt, and other material. the artist then draws on the coated plate with an etching needle exposing the metal. next the plate is dipped in the plate is removed, the waxy coating removed, and the plate is cleaned, inked and printed.

List as many characteristics as you can to describe each style realism and propaganda

In a paragraph of no less than 125 words, explain the single most important factor involved in advancing american classical music in the twentieth century.