The correct response is Option C: The Lost Generation.
Explanation:
The Lost Generation refers to a group of American writers who came of age during the period of World War I. In the years after the war, they were a group of expatriates living in Europe for the most part, including well known figures like Ernest Hemingway and F. Scott Fitzgerald. Although the term is used more widely to refer to the entire generation of Americans and Europeans who grew up during WWI, the group of expatriate writers tended to use autobiographical themes that criticized the decadence and the frivolous lifestyle in the wealthy classes. Gertrude Stein was also living in Paris and established a salon where many writers would meet.
The answer is A as river valley civilizations relied on rivers as a source of life. River valleys like Egypt, Mesopotamia and Xi, the rivers brought silt and made the soil very fertile, it also brought fresh water and fish to eat. People can also move fast using rivers.
President Hoover responded cautiously to the Great Depression because he "A. thought that the business cycle would correct itself," mostly because it was impossible at that point to know the extent to which the depression would develop.