Farmers west of the Appalachians depended on the Mississippi River and New Orleans to ship crops. What motive for the Louisiana Purchase does this describe?

In 1802, Spain closed New Orleans warehouses to American goods. Why did that push Jefferson toward buying land near the Mississippi River?

Jefferson first authorized envoys to buy New Orleans and nearby land, not a continent-sized region. What problem was he trying to solve?

Napoleon offered all of Louisiana after France faced war with Britain and losses in Saint-Domingue. What French motive helped make the sale possible?

Americans feared a powerful France controlling New Orleans at the mouth of the Mississippi River. What motive for purchase grew from that fear?

The United States bought about 828,000 square miles west of the Mississippi River from France in 1803. What acquisition was this?

A territory stretched from the Mississippi River toward the Rocky Mountains and nearly doubled the United States. What land deal is being described?

The ? on the map marks land that later included Missouri, Arkansas, Iowa, and parts of many Plains states. What 1803 acquisition would the label name?

A geographic clue says, “bought from France, including New Orleans, in 1803.” What U.S. acquisition matches that clue?

A route from St. Louis followed the Missouri River through newly acquired western lands toward the Pacific. What acquisition gave the United States those lands?

Jefferson favored a strict reading of the Constitution. What question about the Louisiana Purchase troubled him?

Some Federalists objected that the Constitution said nothing about adding foreign land and its people to the United States. What about the Louisiana Purchase were they challenging?

Jefferson drafted an amendment to allow the Louisiana Purchase but then dropped the idea. Why did he decide not to wait for an amendment?

Jefferson dropped his amendment plan, and the Senate voted 24 to 7 on October 20, 1803 to approve the Louisiana Purchase. Which constitutional process did this use?

Lewis and Clark recorded rivers, mountains, plants, animals, and Native nations during their journey. What was one major outcome of their expedition?

The Corps of Discovery traveled from St. Louis to the Pacific Ocean between 1804 and 1805. What did the trip show about crossing the continent?

Jefferson hoped the expedition would find a route that made trade with Asia easier. What hope did the expedition weaken?

Sacagawea helped the Corps talk with the Shoshone, led by her brother Cameahwait. What did the Corps get from them to cross the Rocky Mountains?

Lewis and Clark described more than 100 animals that were new to American science. Which of these animals was one of them?

Clark's maps and the expedition journals gave later travelers clearer information about rivers and terrain. What long-term effect followed from those records?