14. Why did Los Angeles’s population increase significantly during the 1920s?
a. Many East Asians emigrated to the United States, and most arrived in Los Angeles first.
b. Many misplaced Midwest farmers came looking for jobs.
c. Numerous people from the Pacific Northwest moved to Southern California.
d. As thousands of factories closed in the Northeast, most of their workers migrated west.
e. The Hollywood film industry became the biggest private employer in the United States.
15. American farmers in the 1920s
a. managed to remain in business due to time-saving mechanization.
b. understood that prices for produce would remain high despite the end of World War I.
c. decreased their output of crops due to declining demand on the American and overseas markets.
d. increasingly migrated out of rural areas.
e. did not take advantage of new technological innovations.
16. Which of the following statements about farm mechanization is correct?
a. It discouraged the use of migrant labor on factory farms.
b. It transformed the scale of agricultural production, which ended the practice of irrigation in the West.
c. It delayed the onset of the “Dust Bowl” on the Great Plains thanks to the new steam tractor.
d. It included innovations such as the disk plow, which made planting easier.
e. Farm output decreased in previous fertile areas.
17. How did World War I’s Committee on Public Information (CPI) inspire business in the 1920s?
a. The wartime experience proved that the best way to prevent excessive speculation in the stock market was
to inform the public of its dangers.
b. Business leaders hired private data collectors to measure the effects of propaganda on consumers.
c. The CPI’s success suggested government intervention could have a positive impact on business growth.
d. Public relations departments were established in many firms to counteract bad publicity.