The document discusses the history of transportation in the 1800s and early 1900s. It describes the first steam locomotive railway in 1804 in Wales. It then discusses the authorization of a transcontinental railroad in the US in 1853 to connect the east and west coasts. Two private companies, Union Pacific and Central Pacific, were formed to build the railroad and were given land grants and loans to finance construction. The railroad was completed in 1869, connecting Omaha, Nebraska to Sacramento, California. The document also briefly summarizes Prohibition in the US from 1920 to 1933, when the 18th Amendment banned alcohol but was later repealed by the 21st Amendment in 1933.