Final answer:
Toussaint Charbonneau was a fur trader employed by Lewis and Clark and the husband of Sakakawea.
Step-by-step explanation:
Toussaint Charbonneau was a fur trader employed by Lewis and Clark and the husband of Sakakawea. He served as an interpreter and guide for the Lewis and Clark Expedition, which explored the western portion of the United States in the early 1800s. Charbonneau's knowledge of the local tribes and his ability to communicate with them through his wife Sakakawea, who was a Shoshone woman, greatly facilitated the expedition's interactions with indigenous peoples.
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