<u>Answer:</u>
The correct answer option is a. 1920s.
<u>Explanation:</u>
In 1920's, a social and intellectual movement broke out in Harlem, New York which is known as the Harlem/Manhattan Black Renaissance.
This explosion based on the new African-American cultural expressions over the urban regions of Mid-West and North-East of the United States of America, affected the African-American Great Migration.
Moreover, many black writers from the African and the Caribbean colonies who were residing in Paris were influenced by the Harlem Renaissance, though it was centered in Harlem neighborhood.
Answer:
The Gospel of Wealth.
Explanation:
Andrew Carnegie's company always remained at the top of the business world and was able to conquer and even destroy many other smaller companies. He easily became one of the richest men in the world. Andrew Carnegie retired from the steel industry in 1901 and focused his energy on philanthropy. He published his own book called The Gospel of Wealth.
The creation of distinctive classes in the North drove striking new cultural developments. Even among the wealthy elites, northern business families, who had mainly inherited their money, distanced themselves from the newly wealthy manufacturing leaders. Regardless of how they had earned their money, however, the elite lived and socialized apart from members of the growing middle class. The middle class valued work, consumption, and education and dedicated their energies to maintaining or advancing their social status. Wage workers formed their own society in industrial cities and mill villages, though lack of money and long working hours effectively prevented the working class from consuming the fruits of their labor, educating their children, or advancing up the economic ladder.