What made cars more affordable in the 1920s

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.

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chlorofluorocarbons are released via: aerosol sprays and refrigerants.

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

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