The slogan used in the 1944 Presidential election by supporters of James K. Polk, the Democratic candidate. Polk was one of the most successful Presidents in American history because he achieved all of his major goals for westward expansion of the United States, including the annexation of Texas, settlement of the Oregon territory boundaries, and victory in the Mexican-American War.

When a country takes territory and adds that territory onto the country.

He led the Mormon people after they suffered religious persecution, including the massacre at Nauvoo, Illinois that took the life of Joseph Smith (founder of the Mormon church). After Smith's death, he led the Mormons to Utah and founded Salt Lake City.

An illness (often fatal) that afflicted many settlers on the western trails and also afflicted many soldiers

Believed that the nation's success and prosperity depended upon enlarging its territory.

In 1853, the United States minister to Mexico negotiated the purchase and sale of Mexican land for a price of $10 million. This land now forms the southwestern part of Arizona. The agreement to make this purchase is named after the minister. The United States bought this land to build a railroad because the territory was flat.

Name used by Chinese immigrants to describe California

The Mormon people moved to a city in Utah near this lake to avoid religious persecution after their founder, Joseph Smith, was killed in a massacre at Nauvoo, Illinois.

The city in western Missouri from which many settlers departed to move west across the Oregon Trail, the Sante Fe Trail and other trails.

A mountain man of African-American descent who became chief of the Crow Indian tribe.

He surveyed and mapped many western trails, including the Oregon Trail, along with his wife, Jessie, an educated woman who wrote many books and journals about their journeys that were later used by western settlers. He commanded U.S. troops in California during the Mexican-American War and later (1856) became the first candidate to run for President of the United States as a Republican.

The New York newspaper editor who first came up with the phrase "Manifest Destiny."

Idea that inspired many Americans to believe their nation had an obvious right or duty to expand across the continent from the Atlantic Ocean to the Pacific Ocean.

After Lewis and Clark's adventures, he was one of the first traders to travel up the Oregon Trail to Wyoming. Later, he established a trading company along the Yellowstone River. A fort in Wyoming was named after him.

Christian missionaries who traveled back and forth across the Oregon Trail to prove that entire families could travel to Oregon and to convert Native-Americans to Christianity.

At the end of the Mexican-American War, this was part of an agreement known as the Treaty of Guadalupe Hidalgo. This agreement gave the United States 500,000 square miles of Mexican land in exchange for $15 million. The land received by the U.S. now makes up New Mexico, Arizona, California, Nevada, Utah, and Colorado.

Attempted to spread their religious beliefs by persuading or converting others. For example, the Spanish spread the Roman Catholic religion to places like California with the help of these people.

Meeting place for traders, Native Americans and others to buy and sell goods such as furs, tools, and weapons

Tennessee native whose troops defeated the Mexican army at San Jacinto. He was the first President of the independent Republic of Texas.

Near a U-shaped bend in this river, Santa Anna's Mexican army was badly defeated here by Sam Houston's troops in the battle that ended the Texas War for Independence.

The Mexican general whose armies won important battles at the Alamo and Goliad. Later, his army suffered a crushing defeat to Sam Houston's troops at San Jacinto, which forced Mexico to recognize Texas' independence. Ten years later, during the Mexican-American War, his armies were defeated by General Zachary Taylor's American troops at Monterrey and Buena Vista.

A U.S. Senator from Missouri whose daughter, Jessie, married John Fremont. The Senator was an expansionist who strongly believed in Manifest Destiny. His beliefs led him to send his 12-year old son out west with the Fremonts in order to prove western travel was safe for children.

Led the first group of settlers into the territory that later became Texas to help fulfill his father's dream. The Texas state capital is named after him.

Remembering this place became a rallying cry for Sam Houston's Texas army. At this place, which was once a Spanish mission, Santa Anna's force of more than 2,000 Mexican soldiers slaughtered and killed approximately 180 Texans.

Hundreds of thousands of settlers traveled west by wagon trains across this path to the Pacific coast between the 1840s to the 1860s.

Westerners who risked their lives to prosper from the fur trade

This agreement ended the Mexican-American war and required the United States to pay Mexico $15 million in exchange for the Mexican Cession of 500,000 square miles of western lands.

The ancient Aztec city located on the Gulf of Mexico where U.S. General Winfield Scott defeated the Mexican army in one of the important battles of the Mexican-American War.

His performance on the battlefield as an army general during the Mexican-American war helped his reputation and later helped him to be elected President of the United States.