The United States bought the huge Louisiana Territory west of the Mississippi River in a deal made with a European power. Which country sold that territory to the United States?

About how much did the United States agree to pay France for the Louisiana Territory?

What effect did the Louisiana Purchase have on the size of the United States?

In what year did the United States and France sign the treaty for the Louisiana Purchase?

The Louisiana Territory stretched west from the Mississippi River to which mountain range?

Farmers west of the Appalachian Mountains floated grain and other goods down the Mississippi River to New Orleans. Why did that port matter so much to them?

Settlers living west of the Appalachian Mountains sent heavy loads of grain to market by river rather than over land. What best explains that choice?

President Thomas Jefferson first sent representatives to France in 1803 with a much smaller purchase in mind. What did they originally try to buy?

France controlled the Louisiana Territory but chose to sell it in 1803. What was the main reason France was willing to give it up?

Thomas Jefferson believed the federal government could do only what the Constitution clearly allowed. What problem did that belief create for him in 1803?

Worried that the Constitution did not allow the purchase, what step did Jefferson consider taking before the deal was completed?

Which part of the national government had to approve the 1803 treaty with France before it took effect?

Most of the land in the Louisiana Purchase lies in which present-day region of the United States?

The 1803 treaty transferred France's claim to the Louisiana Territory. Who was actually living on most of that land at the time?

One Indigenous nation farmed corn and traded from earth-lodge villages along the upper Missouri River, in what is now North Dakota. Which nation was it?

By the mid-1800s, many Americans believed the United States was meant to expand all the way across the continent to the Pacific Ocean. What was this belief called?

The Osage homeland lay inside the land bought in 1803. What happened to most of that homeland during the 1800s?

After 1803, settlers from the east moved onto land west of the Mississippi River. What was one direct effect on the Indigenous nations already living there?

Soon after the purchase, Thomas Jefferson sent an expedition up the Missouri River into the new territory. What was its main goal?

Sacagawea, a Shoshone woman, traveled with the Lewis and Clark expedition. How did she help most when the group needed horses to cross the Rocky Mountains?

In what year did Lewis and Clark set out from near St. Louis to explore the Louisiana Purchase?

Which U.S. president approved the Louisiana Purchase?

Napoleon Bonaparte was the leader of France when it sold the Louisiana Territory to the United States.

Before France took back the Louisiana Territory in 1800, which European country controlled it?

Which two Americans worked out the Louisiana Purchase deal with France in Paris in 1803?

What was one major effect of the Louisiana Purchase?

Which river formed an important eastern route through the Louisiana Purchase region?

Who led the expedition sent to explore the Louisiana Purchase lands?

Sacagawea traveled with her baby son on the Lewis and Clark expedition. How did her being there help when the group met Native nations?

What was the name of the group led by Lewis and Clark?

The Louisiana Purchase gave the United States full control of the Pacific Coast.

Which present-day state includes land that was part of the Louisiana Purchase?

France's plans for Louisiana fell apart after its army lost to formerly enslaved people fighting for freedom on a Caribbean island. Which country did that island become?

Which state, admitted in 1812, was the first new state carved from the land the United States bought from France in 1803?

What idea did the Louisiana Purchase encourage among many Americans?

Lewis and Clark gave silver peace medals to Native leaders they met. What message were the medals meant to send?

Which mountain range did Lewis and Clark cross during their journey?

The Louisiana Purchase included land west of the Mississippi River.

Which best describes the Louisiana Territory before the United States purchased it?

Lewis and Clark kept careful journals during their trip across the Louisiana Purchase. Why are those journals important to historians today?