1. The in the last 4000 years was the biggest construction project in the western world 2. The Erie Canal will link the Ocean to the middle of America.
3. What material is used to blast through mountains?
4. Cotton is a valuable crop, but is slow to process. How much cotton would an average worker process in one day?
5. The is a machine that sped up the processing of cotton. Now, one man working this machine can process up to 50 times more cotton than before.
6. This machine can turn raw cotton into finished cloth. What is this machine called?
7. Lowell, Massachusetts is called the "city of spindles." How much of the townspeople work in the mills?