1. True or False: Both the North and the South used submarines during the Civil War?

2. What did the Union primarily use submarines for?

3. Around how long was the H.L. Hunley submarine?

4. How many people made up the typical crew of the H.L. Hunley?

5. What was the first Union submarine called?

6. True or False: The inventor of the H.L. Hunley, Horace Hunley, died when the Hunley sunk for the second time.

7. What was the main goal of the submarines of the Confederacy?

8. How did the men in a submarine know that they were running out of air?

9. What was the main weapon of the H.L. Hunley?

10. True or False: The H.L. Hunley sunk over 12 Union ships during the Civil War.