A. Most farmers began growing a wider variety of crops on their land
Answer:
Papa Doc was the nickname of President Duvalier of Haiti, who died in 1971
D. manufacturing-based eonomy
Answer - Automobile changed the American lifestyle by providing more opportunities for people. For many middle-class Americans, the 1920s was a decade of unprecedented prosperity. Rising earnings generated more disposable income for the purchase of consumer goods. Henry Ford's advances in assembly-line efficiency created a truly affordable automobile, making car ownership a possibility for many Americans.
Photophone
hydrofoil
audiometer
HD-4
metal detector
tetrahedral kite