Challenge:
What was the belief that the United States had the right and duty to expand across North America?
Manifest Destiny
Challenge:
Before the early 1800s, which two countries had claimed the Louisiana Territory?
France and Spain
Challenge:
Why did some anti-slavery Northerners oppose annexing Texas?
Texas allowed slavery
Challenge:
What event helped cause the Mexican-American War?
The annexation of Texas
How did the United States get the land of the Louisiana Purchase?

It purchased it from France
Challenge:
Which numbered area was gained through a treaty with Spain, not through war or purchase?

2 - Florida
Challenge:
Why did many western farmers support the Louisiana Purchase?
They wanted access to the Mississippi River and New Orleans to ship crops.
Name one way the United States gained land in the 1800s.
Through war, treaties, or colonization/settlement
How did the Louisiana Purchase affect the size of the United States?
It doubled the nation’s size
What happened before Stephen F. Austin started his colony in Texas?
A. Texas won its independence
B. Mexico declared independence
C. General Santa Anna was captured
D. The Battle of the Alamo was fought
Mexico declared independence from Spain
What two rivers were involved in the border dispute between Texas and Mexico?
Rio Grande and Nueces River
What geographic feature formed the eastern border of the Louisiana Purchase?

The Mississippi River
Which numbered area was the first major land gain that doubled the size of the United States?

1 - Louisiana Purchase
Why did Spain finally agree to give Florida to the United States?
Spain feared conflict and could not control Florida well.
Challenge:
Which way did the United States not gain land in this unit: war, treaties, colonization, or inheritance?
Inheritance
Why did the United States want to acquire Florida?
To end raids on Georgia farms
Why did many Tejanos resent/dislike American settlers in Texas?
They were settling illegally / some disrespected Mexican culture
Why did President Polk ask Congress to declare war on Mexico?
He said Mexico had attacked U.S. troops in the disputed border area and had shed “American blood upon American soil.”
Which three areas were acquired from Mexico?

The Mexican Cession lands / the Southwest lands gained after the war
3, 5 & 6
Daily Double:
Which numbered area was not won in battle, but instead divided by a compromise line at the 49th parallel?

4 - Oregon
Risk It or Pass It:
Why did Mexico close Texas to further American immigration?
Too many Americans were settling illegally and ignoring Mexican laws and culture.
What does the word annex mean?
To add land to a country
Challenge:
Who did President Jefferson send to help buy New Orleans and negotiate with France?
James Monroe
What was one famous slogan from Polk’s 1844 campaign about Oregon?
“All of Oregon or none!”
“Fifty-four forty or fight!”
Daily Double:
What did the Treaty of Guadalupe Hidalgo do to Mexico’s territory?
It cut Mexico’s territory by about half
Who benefited from westward expansion and Manifest Destiny? Name one group.
American settlers / western farmers / land speculators / the U.S. government
Daily Double:
Which numbered area was the last land gain shown on the map?

6 - Gadsden Purchase
Why did Polk choose compromise with Great Britain over Oregon?
He wanted Oregon, but he did not want a war with Great Britain.
Why did some people oppose U.S. expansion in the 1800s?
They believed the United States bullied weaker neighbors / expansion harmed others
Daily Double:
How did the United States finally gain Florida?
Through pressure and diplomacy with Spain / a treaty with Spain
Risk It or Pass It:
Why did Oregon attract so many settlers?
Fertile farmland / good land for farming / opportunity for a new start
Risk It or Pass It:
What did the Gadsden Purchase provide for the United States?
A good railroad route to California / a southern railroad route
Daily Double:
Which president most strongly wanted the United States to increase its territory during this unit?
James K Polk
Daily Double:
Which two numbered areas were gained from Mexico, but not from the original annexation of Texas?

5 & 6
Risk it or Pass it:
How did the Mexican-American War increase tensions inside the United States?
It caused more arguments over slavery, expansion, and whether the war was justified.
Estimate about how many square miles of land the United States gained during this unit through the Louisiana Purchase, Florida, Texas, Oregon Country, the Mexican Cession, and the Gadsden Purchase.
A reasonable answer would be about 1.8 million square miles.
You could accept answers in a range like 1.7 to 1.9 million square miles.