Why did the automobile have a major impact on the united states in the 20s

In general, the new technology of the 1920s led to a more connected, mobile society. The Roaring Twenties were a decade of prosperity in the United States. Technology and innovation were a large part of this prosperity, and impacted the lives of average Americans.

The 1920s saw tremendous growth in automobile ownership, with the number of registered drivers ... The social effects of the automobile were as great.

Explanation:

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories