Westward Expansion was American’s “Destiny”
John O’ Sullivan popularized Manifest Destiny, posses the whole continent from sea to sea,
American’s believed that it was their god given right to have a nation that extends from the
pacific ocean to the atlantic ocean.
for Manifest Destiny
Needed more accesses to mineral and natural resources,
California Gold Rush
New Economic and Homesteading opportunities, preemption acts made vast tracts of
land available for cheap to anyone who wanted to buy and
set up a homestead and get
Religious Refuge, Mormons fled to Utah because of persecution and their
Election of James K.Polk
Big believer of manifest destiny, he had his eye on a couple of territories to add to the
union such as Texas and oregon.
still belonged to Mexico,most people who resided in texas were protestant and
In 1829 the mexican government made two requirements to the immigrants living in
texas those being that they must convert to roman catholicism and that slavery was out
revolted under the leadership of Sam Houston and declared Texas to be an
independent republic. Alamo was one by Mexico but in retaliation the Texans beat
Mexico in the battle of San Jacinto and captured the mexican general and forced him to
sign a treaty granting Texas independence.
James K polk wanted america to annex oregon, texas and california.
Mexican- American War
Tension between texas and the mexican government grew because of texas
annexation and the election of james k. Polk who’s campaign promises were to annex texas.
-Polk sent general Zachary Taylor with his troops and were met by mexican troops resulting in
11 Americans dead, Polk was outraged and called for a war with mexico.
-America won the Mexican-American War
Many land gained for the united states that came from the
treaty of guadalupe hidalgo- established the rio grande as the southern border of texas
in which mexico ceded california and new mexico to the us for 15
Tensions with the expansion of slavery in land that came from the mexican cession
:Slavery was a constitutional right, Slavery had been decided in Misouri