What territory did the U.S. buy from France in 1803?
Louisiana Purchase
What idea said the U.S. was meant to spread west?
Manifest Destiny
What nation did Texas break away from before joining the U.S.?
Mexico
What country shared Oregon Territory with the U.S.?
Great Britain
What war led to the Mexican Cession?
Mexican-American War
Who was president during the Louisiana Purchase?
Thomas Jefferson
How much did the U.S. pay for the Louisiana Purchase?
$15 million
What famous battle happened during the Texas Revolution?
Battle of the Alamo
What parallel became the border in Oregon Territory?
49th parallel
What treaty ended the Mexican-American War?
Treaty of Guadalupe Hidalgo
What river was important in the Louisiana Purchase for trade?
Mississippi River
What issue caused many arguments in Texas annexation and western lands?
Slavery
What trail did settlers travel west on to Oregon?
Oregon Trail
What city did U.S. troops capture during the Mexican-American War?
Mexico City
What event in 1848 brought many people to California?
California Gold Rush
What French leader sold the Louisiana Territory?
Napoleon Bonaparte
What Texas battle led to Santa Anna’s defeat?
Battle of San Jacinto
What slogan demanded all of Oregon Territory?
54°40' or Fight!
What river became the southern border of Texas after the treaty?
Rio Grande
What compromise tried to settle slavery issues after the Mexican Cession?
Compromise of 1850
Name the four ways the U.S. gained land between 1803–1848.
Purchase, annexation, negotiation, conquest
Why did many Northerners oppose the Mexican-American War?
They believed it would expand slavery.
Why was Oregon settled peacefully while Texas led to war?
Britain and the U.S. compromised; Mexico did not.
How did westward expansion help cause the Civil War?
It increased conflict over slavery in new territories.
What group suffered displacement in every territorial expansion?
Native Americans / Indigenous peoples