19.To oppose the expansion of unions, many business owners required workers to sign a yellow dog contract, which stipulated that workers wouldn’t join a union, or used a blacklist, a compilation of known union activists.20.The riot at Haymarketled to the disappearance of the Knights of Labor.21.One of the more militant labor unions of the early twentieth century, the International Workers of the World, hoped to overthrow capitalism. Chapter 18I. Perspective Question (Your response should be 4-10 sentence in length.)After reading Chapter 18, explain just how new the so-called “New South” was?The “New South” was not new in any way other than its industrialization progress. It wasstill a racist community, but instead of slaves there was now segregation. While many leaders like Henry Grady claimed that it was no longer a place built on the subjugation of an entire race, the facts begged to differ. The only thing “new” about the south was that their economy changed for the better but their community didn’t. II. Key Concepts (The following questions can be answered with short-answer responses.)1.The unsanitary and unhygienic tenementsin which so many immigrants livedfrequently lacked windows, thick walls, and indoor plumbing.2.Mark Twain’s novel The Gilded Agesatirized the greed, materialism, and political corruption of the Industrial Age.3.Streetcars made it possible to live in suburbsfour or five miles away from work.4.While many of the forms of entertainment in cities during the late 1800s were deemed immoral or improper by the upper classes, the large, magnificent amusement parksthat emerged during this era were seen as more wholesome.5.New York’s Coney Islandhelped spur dating among working-class young men and women.6.Between 1880 and 1920, most of the new immigrants who came to be known as greenhornscame predominantly from eastern, central, and southernEurope.7.Henry Grady's speech, “The New South”, argued that a new spirit of enterprise characterized southern life in the 1870s and 1880s.8.Among the major industries that developed in the "New South" prior to 1900 were railroads, iron production, cotton& textiles, and tobacco9.In the 1896 case of Plessy v. Ferguson, the Supreme Court held that segregation laws governing public accommodations such as railroads and public schools were constitutional, claiming that, as long as accommodations .