The prosperity of the 1920s ended quite suddenly on

Toward the end of the decade in October 1929, the stock market crashed, and America's invested wealth suddenly lost $26 billion in value. Prosperity had ended. The economic boom and the Jazz Age were over, and America began the period called the Great Depression. The 1920s represented an era of change and growth.

Explanation:

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Explanation:

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast