Q: Who led the Lewis and Clark Expedition?

A: Meriwether Lewis and William Clark led the expedition.

Q: Why did US President Thomas Jefferson send the expedition?

A: President Jefferson sent the expedition to explore the Louisiana Purchase, which the United States had just bought from France.

Q: When did the expedition depart from Saint Louis?

A: The expedition departed from Saint Louis in 1804.

Q: How many people were in the group led by Lewis and Clark?

A: The group led by Lewis and Clark included 33 people.

Q: Who joined the group along the way and how did she help them?

A: A Shoshone Native American woman named Sacagawea joined the group and helped guide and translate for them.

Q: What were Lewis and Clark's occupations after completing the expedition?

A: After completing the expedition, Lewis became Governor of Louisiana Territory and Clark became Governor of Missouri Territory.

Q: Who was the only person to die on the trip and what was the cause of death?

A: Sergeant Charles Floyd was the only person to die on the trip, and he died on August 20, 1804 of Dysentery.