This purchase doubled the size of the country and gave the U.S. access to the Port of New Orleans
Louisiana Purchase
President Thomas Jefferson hired these two men to explore the Louisiana Territory and beyond.
Lewis and Clark
The belief that the United States was meant to expand and stretch from the Atlantic Ocean to the Pacific Ocean.
Manifest Destiny
This man-made waterway helped ship goods from the Great Lakes to the Hudson River.
Erie Canal
Because of Westward Expansion, this animal nearly went extinct.
Buffalo or Bison
Washington state was created after the U.S. gained this territory by signing a treaty with the British.
Oregon Territory
These people migrated west on the Oregon Trail hoping for new lives and opportunities.
pioneers
This term describes a journey with a specific purpose in mind.
expedition
This was one of the first methods of communication between the east and west.
Pony Express
The Missouri Compromise allowed this practice to expand into the western territory.
slavery
The annexation of this territory directly resulted in the Mexican-American War.
Texas
This was a mass migration to California starting in 1848 in the hopes of striking it rich.
Gold Rush
A vocabulary word that simply means "to add on to."
annex
The United States gained full control of this important river with the Louisiana Purchase.
Mississippi River
This was the devastating result of forcing Native Americans out of their homeland to move west of the Mississippi River.
Trail of Tears
The U.S. paid $15 million to purchase this territory from Mexico following a war.
Mexican Cession
Two-hundred Texans lost their lives at this famous battle, which was part of a revolution for territory independence.
Battle of the Alamo
This act provided 160 acres of land to any U.S. citizen who agreed to live on and farm it for five years.
Homestead Act
This new technology was developed specifically to improve communication across the expanding nation.
Telegraph
The forced removal of Native Americans involved a deadly march of this many miles.
1,000 miles
California, Arizona, and Nevada were states created out of this massive territory.
Mexican Cession
This specific route was used by pioneers who wanted to settle along the Pacific Coast.
Oregon Trail
This agreement used a line of latitude to divide free and slave states.
Missouri Compromise
This transportation innovation was developed alongside the Erie Canal to connect the country.
Transcontinental Railroad
This conflict resulted directly from the United States' annexation of Texas.
Mexican-American War