Answers;
3. New England is PROPER, arrivals is COMMON
4. People is COMMON, water is COMMON.
5. Merchants is COMMON, money is COMMON.
6. Residents, seaports, and ships are COMMON. Salem and Massachusetts are PROPER.
7. Americans is PROPER. Craft is COMMON.
8. Designers and ships are both COMMON.
9. Ships is common, China is PROPER.
10. People, adventure (maybe) and oceans are COMMON.
11. NBP is PROPER, century is COMMON.
12. Father and ships are COMMON.
13. Young Nat is PROPER, sea and knowledge are COMMON.
14. He, captain, and age are COMMON.
15. He, years, and discovery are common.