Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account

Manifest Destiny

This expression was popular in the 1840s. Many people believed that the U.S. was destined to secure territory from "sea to sea," from the Atlantic to the Pacific Ocean. This rationale drove the acquisition of territory.

John O'Sullivan

influential editor of the Democratic Review who coined the phrase "manifest destiny" in 1845.

John Tyler

U.S. president who asked Congress in 1845 for a joint resolution in favor of annexing Texas

James Polk

11th President of the United States from Tennessee; committed to westward expansion; led the country during the Mexican War; U.S. annexed Texas and took over Oregon during his administration

Westward expansion

The movement of people to settle in the west, encouraged by the concept of Manifest Destiny.

Oregon Territory

territory of Oregon, Washington, and portions of what became British Columbia, Canada; land claimed by both U.S. and Britain and held jointly under the Convention of 1818

The Oregon Trail

This was the major route in the westward migration, was a 2,000 mile trail- stretched from independence across the great plains and through the south pass of the rocky mountains, migrants moved north into Oregon or south(to the California trail) from here

Fifty-Four Forty or Fight

slogan used in the 1844 presidential election as a call for us annexation of the Oregon territory

The Rio Grande

The river that forms a border between the U.S. and Mexico

The Nueces River

Mexico said this river was southern border for Texas (gave less land to U.S.)

Zachary Taylor

A major general from 1846-1847 in the Mexican War. Known as "Old Rough and Ready," he defeated the Mexicans in a campaign that took him to Buena Vista in Mexico. The victorious campaign helped pressure the Mexicans into peace.

Winfield Scott

General in the Mexican-War; " Old Fuss and Feathers" ; succeeded in battling his way up to Mexico City by 1847.

Civil Disobedience

Henry David Thoreau advocated this process of defying codes of conduct within a community or ignoring the policies and government of a state or nation when the civil laws are unjust.

Stephen Kearny

General that took his troops down the Santa Fe Trail and took the town of Santa Fe without a fight and claimed it for the U.S.; later appointed by Polk as governor of California

The Bear Flag Revolt

revolt against Mexico by American settlers in California who declared the area an independent republic

The Bear Flag Republic

Name of California when it became a republic and before it is accepted into the Union

John C Fremont

captain and explorer; CA with several dozen well-armed men when the Mexican War erupted. Helped overthrow Mexican rule in 1846 by collaborating with Americans who'd tried to raise banner of CA Bear Republic; helped take CA from inside

Robert Stockton

, Commodore that planned a naval invasion of California; he captured Los Angeles and San Diego and then declared California belonged to the U.S.

Buena Vista

1847 United States forces under Zachary Taylor defeated Mexican forces under Santa Anna in the Mexican War; turning point

The Treaty of Guadalupe Hidalgo

This treaty ended the Mexican-American war. Mexico agreed to give up all its northern lands to the United States. These lands included California, Utah, Nevada, and parts of New Mexico, Arizona, Colorado, and Wyoming. The United States payed Mexico $15 million.

The Gadsden Purchase

In 1853, Mexico sold 30,000 sq. miles of present day New Mexico and Arizona to the U.S. for $10 million

Joseph Smith

religious leader who founded the Mormon Church in 1830 (1805-1844)


church founded by Joseph Smith in 1830 with headquarters in Salt Lake City, Utah, religious group that emphasized moderation, saving, hard work, and moved from IL to UT

Mormon Migration

The Mormons moved west to escape religious persecution, they settled in Missouri and Illinois but were later persecuted by their neighbors ; decided to move Northwest towards the Great Salt Lake.

Brigham Young

United States religious leader of the Mormon Church after the assassination of Joseph Smith

The Gold Rush

a boom of population in California due to the discovery of gold in 1848.


people who went to California in search of gold in 1849

San Francisco

This port town became a convenient trade center and stopping place for travelers.


searching for gold

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording