История развития железных дорог в США Опишите историю развития железных дорог в США по датам ( не менее 7 предложений) английский язык

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In the early 19th century, the first railroad in the United States was built in 1828, known as the Baltimore and Ohio Railroad (B&O), to transport goods and passengers.

The expansion of railroads grew rapidly during the mid-19th century, with the passage of the Pacific Railway Acts in 1862 and 1864, which authorized the construction of the First Transcontinental Railroad.

The completion of the First Transcontinental Railroad in 1869 connected the East Coast to the West Coast, revolutionizing transportation and trade in the United States.

The railroad boom continued throughout the late 19th century, with rail companies building thousands of miles of track across the country to reach new markets and connect rural areas to urban centers.

By the early 20th century, railroads were the dominant mode of transportation in the United States, with rail lines crisscrossing the country and providing essential links for industries such as agriculture, manufacturing, and mining.

The decline of railroads began in the mid-20th century with the rise of automobile and air travel, leading to the consolidation and closure of many rail lines.

Today, railroads in the United States are still in operation, with major freight companies like Union Pacific and Norfolk Southern playing a vital role in the transportation of goods across the country.