Question

Cruising Into the Roaring Twenties- article from achieve3000
Which sentence from the article best supports the idea that innovations in manufacturing contributed to the rise of the automobile?

Cars simplified commuting between work in the city and a house outside of town, leading to the growth of suburbs.
This efficiency helped lower prices so that more families, including Ford employees, could afford their own car.
This new car culture helped drive a decade of unbridled economic and social change.
The reach of automobiles and roadways expanded Americans' ambitions.

Answer 1

"This efficiency helped lower prices so that more families, including Ford employees, could afford their own car."

Explanation: It directly links manufacturing efficiency to lower prices and increased car ownership.