Final answer:
The transcontinental railroad was important because it connected the east and west coasts of the United States, facilitated westward expansion and settlement, and contributed to the industrial revolution.
Step-by-step explanation:
The transcontinental railroad was important for several reasons. Firstly, it connected the east and west coasts of the United States, making travel and trade much easier and faster. Secondly, it played a significant role in the westward expansion and settlement of the country, as it allowed for the transportation of people and resources to previously inaccessible areas. Lastly, the transcontinental railroad helped fuel the industrial revolution in America by facilitating the transportation of goods and raw materials across long distances.
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