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In 1800 people moved _____ by walking on trails and traveling on flatboats
West
Who owned land bordering the United States of America in 1800?
Britain and France
What state did the US buy from France in 1803?
Louisiana
Who was willing to sell its territory to the US because France was involved in expensive wars and needed the money?
France
The US purchased Louisiana to ensure it could continue to use what?
The Mississippi River for trade
What expedition began in St. Louis because it was located along the Missouri River?
Lewis and Clark
Lewis and Clark brought gifts on their expedition to make friends with who?
Native Americans
Who helped the Lewis and Clark expedition because she served as an interpreter?
Sacagawea
The Lewis and Clark expedition helped early America by providing what?
Information about a new region
What was built to commemorate Sacagawea, Lewis, Clark, and President Jefferson?
The Gateway Arch