In 1803 the United States bought the huge Louisiana Territory. The president then sent Meriwether Lewis and William Clark to explore it. Who was that president?

Jefferson gave the expedition one main job for its journey west. What were Lewis and Clark sent to look for?

After leaving St. Louis in 1804, the expedition traveled west for months up the ___ River.

At the start of the trip in 1804, the men pushed, poled, and pulled a long wooden boat upstream against the current. What kind of boat was it?

The expedition stopped in the winter of 1804 to 1805, building a fort beside Mandan and Hidatsa villages in what is now North Dakota. Why did they stop there?

Sacagawea, a Shoshone woman living in a Hidatsa village, joined the expedition there. What work did she do for the group as it traveled west?

Sacagawea traveled with the expedition and carried her baby son. To American Indian nations who saw the group go by, this was a sign that the group was not a war party.

In August 1805 the group reached the Rocky Mountains and had to cross them. The Shoshone traded them something that made the crossing possible. What was it?

In the fall of 1805 the group came down out of the Bitterroot Mountains hungry and worn out. Which nation gave them food and helped them make canoes for the rivers ahead?

The Mandan, Hidatsa, Shoshone, and Nez Perce are American Indian nations whose people still live in the United States today.

Before heading up the Missouri River in the spring of 1804, where did the expedition spend the winter getting ready for the journey?

What was the official name of the Lewis and Clark expedition group?

The Lewis and Clark Expedition began before the United States bought the Louisiana Territory.

In what year did the Lewis and Clark Expedition begin?

In what year did the Lewis and Clark Expedition return?

Which river did the expedition travel down on the final stretch of the journey to reach the Pacific Ocean?

What ocean did Lewis and Clark reach near the end of their westward trip?

Sacagawea, not Lewis or Clark, was the official leader of the expedition.

What surprising discovery did Sacagawea make when the expedition met the Shoshone in August 1805?

What was one main goal of the Lewis and Clark Expedition?

Only one member of the Corps of Discovery died during the whole journey.

Did Lewis and Clark find an easy all-water route to the Pacific Ocean?

Which mountain range did the expedition have to cross?

Where did the expedition spend the winter of 1804–1805?

Where did the expedition spend the winter after reaching the Pacific coast?

What kind of information did Lewis and Clark record in their journals?

On the trip home in 1806, Lewis and Clark split up for a while so they could explore more land.

Which animal did the expedition describe that was unfamiliar to many Americans in the East?

Who were Meriwether Lewis and William Clark?

The expedition started near New Orleans, in the area of present-day Louisiana.

Which purchase doubled the size of the United States and led to the expedition?

What did the expedition hope to build with Native American nations?

Native American nations helped the expedition with food, information, horses, and guidance at different times.

During the winter at Fort Mandan, what did the Mandan and Hidatsa people trade to the expedition in exchange for tools like axes and hoes?

In November 1805, the group voted on where to spend the winter near the Pacific coast. Besides the soldiers, who also got a vote?

Who was York on the Lewis and Clark Expedition?

Sacagawea, who traveled with the expedition, was a member of the Mandan nation.

What did maps made by the expedition help Americans understand?

Which challenge did the Corps of Discovery face?

The Lewis and Clark Expedition helped increase U.S. knowledge of the West, but it also affected Native peoples whose homelands were already there.