During the early twentieth century, automobiles were developed as a means of transportation. They allowed people to travel in and out of cities, and they helped develop paved highways. They also created new industries and jobs. In addition, they changed the way we think about transportation.

In the United States, the demand for cars increased after the war. As a result, automobile manufacturers became more competitive. They used the assembly line to produce their vehicles, which made them cheaper to produce.

The automotive industry grew dramatically in the first half of the twentieth century. The growing middle class encouraged more Americans to buy automobiles. This led to an economic revolution in the United States.

The automobile industry also helped increase the number of Americans who could afford to live in the suburbs. They had more freedom to work, spend their leisure time, and shop in their towns.

By the end of the twentieth century, the automobile industry had become a global industry. In fact, one-quarter of passenger cars in the world were manufactured by foreign auto manufacturers.

The first automobiles were steam-powered, and they were not equipped with rearview mirrors or seat belts. Eventually, the first gas-powered cars were developed. These cars, which were created by Karl Benz in 1885, were a major milestone in the history of automobiles.

By the end of the decade, one-fifth of the nation’s war production was generated by automobile makers. Ford, General Motors, and Chrysler grew into the “Big Three” automakers.