Answer :
Final answer:
The subject of this question is History and it is suitable for Middle School students. It discusses three important events in American history - the introduction of interchangeable parts, the building of a new factory town, and the voyage of the Clermont steamboat.
Explanation:
In this question, three important events in American history are mentioned. Eli Whitney introduced the use of interchangeable parts, which revolutionized the manufacturing industry. Francis Cabot Lowell built a new factory town known as Lowell, which played a crucial role in the textile industry. Robert Fulton's Clermont was the first commercially successful steamboat and it made a 300-mile trip from New York to Albany.
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