* 9 million cars were registered in the United States in 1919.
* The Model T Ford was the most popular car, accounting for nearly half of all cars sold in the United States.
* Cars were becoming more affordable and easier to operate, making them a more viable option for transportation for many Americans.
Airplanes:
* Airplanes were still a relatively new technology in 1919.
* There were only about 1,500 airplanes in the United States, and most of them were used for military purposes.
* However, commercial air travel was beginning to develop, and the first scheduled passenger flight took place in 1919.
Trains:
* Trains were the primary mode of long-distance travel in the United States in 1919.
* There were over 250,000 miles of track in the United States, and trains carried more than 1 billion passengers per year.
* Trains were also used to transport freight, and they played a vital role in the nation's economy.
Ships:
* Ships were another important mode of transportation in 1919.
* The United States had a large merchant marine fleet, and ships carried goods and passengers between the United States and other countries.
* Ships were also used to transport immigrants to the United States.
Horses and buggies:
* Horses and buggies were still used for transportation in rural areas in 1919.
* However, they were becoming increasingly less common, as cars and trucks became more affordable and accessible.
