Here are the correct pairings based on your list of explorers and their contributions:
- Wahunsenacawh - was the Powhatan chief who helped Smith
- Portola - established San Diego
- De Soto - discovered the Mississippi River
- De Bienville - was the founder of New Orleans
- Champlain - first explored the St. Lawrence River
- La Salle - was the founder of Quebec
- Cabot - claimed the Atlantic coast for England
- Hudson - claimed the New York area for the Dutch
- Marquette and Joliet - explored parts of the Mississippi for France
- Cartier - sailed the Mississippi to the Gulf of Mexico
Please note that there are some inaccuracies in the original pairing you provided. For example, Cartier did not sail the Mississippi to the Gulf of Mexico; it was La Salle who did. Please check these revised pairs!