Which technological innovation was most important for early-nineteenth-century economic development?

Please choose one of the following questions to answer:

1. How did the purchase of the Louisiana Purchase transform America’s understanding of itself?

2. Could the War of 1812 be considered America’s second war for independence? Explain.

3. Do you agree with Jefferson that the election of 1800 was a revolution? Explain your answer.

4. Which technological innovation was most important for early-nineteenth-century economic development?