Final answer:
Meriwether Lewis, along with his partner William Clark, led the Corps of Discovery to explore the newly bought Louisiana Territory. Native American interpreters, such as Sacagawea, played a significant role in the expedition.
Step-by-step explanation:
Thomas Jefferson appointed Meriwether Lewis to organize an expedition into the Louisiana Territory to explore and map the area. Lewis and his partner, William Clark, led a group known as the Corps of Discovery, which included several Native American interpreters, such as Sacagawea. These interpreters played a significant role in facilitating communication with Native American tribes during the exploration of the newly bought Louisiana Territory.
Learn more about Corps of Discovery