Key People
Who was the U.S. President during the Louisiana Purchase?
Thomas Jefferson
In what year did the United States purchase the Louisiana Territory?
1803
The Louisiana Purchase extended the U.S. border west to what mountain range?
Rocky Mountains
Why was the Mississippi River important to American farmers?
It allowed goods to be shipped quickly and cheaply
What territory did the U.S. gain from the Adams-Onís Treaty?
Florida
Which French leader sold the Louisiana Territory to the United States?
Napoleon Bonaparte
How much money did the United States pay for the Louisiana Purchase?
15 million dollars
What river became the border between Spanish Texas and the United States?
Sabine River
How did owning New Orleans help the U.S. economy?
It connected the Mississippi River to world trade through the Gulf of Mexico
What promise did the U.S. make to Spain in the Adams-Onís Treaty?
To leave Texas alone
Who was the U.S. Secretary of State who negotiated the Adams-Onís Treaty?
John Quincy Adams
What year was the Adams-Onís Treaty signed?
1819
What port city was crucial for trade along the Mississippi River?
New Orleans
What economic benefit came from the Louisiana Purchase?
More farmland and trade routes
What did both the Louisiana Purchase and Adams-Onís Treaty accomplish?
They expanded U.S. territory and defined borders
Who was the Spanish minister who signed the Adams-Onís Treaty?
Luis de Onís
Which event occurred first—the Louisiana Purchase or the Adams-Onís Treaty?
Louisiana Purchase
What was the Neutral Zone, and why was it a problem?
Land with no patrols where outlaws hid
Why did Napoleon agree to sell Louisiana?
He needed money to fund wars in Europe
Which principle of government is shown by Jefferson needing Senate approval for the purchase?
Checks and Balances
Why was Jefferson worried about France controlling Louisiana?
France could block U.S. trade and limit westward growth
Why was buying Louisiana a constitutional issue for Jefferson?
The Constitution did not clearly allow presidents to buy land
How did the Adams-Onís Treaty settle border disputes?
It set clear boundaries and gave Florida to the U.S.
How did the Louisiana Purchase strengthen the U.S. economy overall?
It increased access to trade, land, and natural resources
How did these two events affect Texas?
They created a new border and later led to U.S.–Spanish tensions