USA HISTORY

Detailed explanation-1: -In the 1920s the automobile became the lifeblood of the petroleum industry, one of the chief customers of the steel industry, and the biggest consumer of many other industrial products. The technologies of these ancillary industries, particularly steel and petroleum, were revolutionized by its demands.

Detailed explanation-2: -The rapid expansion of the automobile industry created jobs throughout the country and played a large role in sustaining the economic prosperity of the 1920s. In 1929, at the peak of the decade’s economic boom, there were more than 330, 000 people employed at automobile dealerships in the country.

Detailed explanation-3: -Henry Ford’s advances in assembly-line efficiency created a truly affordable automobile, making car ownership a possibility for many Americans.

Detailed explanation-4: -The 1920s was a decade of profound social changes. The most obvious signs of change were the rise of a consumer-oriented economy and of mass entertainment, which helped to bring about a “revolution in morals and manners.” Sexual mores, gender roles, hair styles, and dress all changed profoundly during the 1920s.