Final answer:
René-Robert Cavelier, Sieur de La Salle combined his explorations with fur trading
Step-by-step explanation:
René-Robert Cavelier, Sieur de La Salle, combined his explorations with fur trading. La Salle was a French explorer who is best known for his expeditions in North America, particularly in the Mississippi River Valley. He established a fur trading post in present-day Illinois called Fort Crèvecœur.
Learn more about La Salle's explorations and his involvement with fur trading