Territories & Land
People & Travel
Vocabulary
Transportation & Communication
The Costs of Expansion
100

This purchase doubled the size of the country and gave the U.S. access to the Port of New Orleans

Louisiana Purchase

100

President Thomas Jefferson hired these two men to explore the Louisiana Territory and beyond.

Lewis and Clark

100

The belief that the United States was meant to expand and stretch from the Atlantic Ocean to the Pacific Ocean.

Manifest Destiny

100

This man-made waterway helped ship goods from the Great Lakes to the Hudson River.

Erie Canal

100

Because of Westward Expansion, this animal nearly went extinct.

Buffalo or Bison

200

Washington state was created after the U.S. gained this territory by signing a treaty with the British.

Oregon Territory

200

These people migrated west on the Oregon Trail hoping for new lives and opportunities.

pioneers

200

This term describes a journey with a specific purpose in mind.

expedition

200

This was one of the first methods of communication between the east and west.

Pony Express

200

The Missouri Compromise allowed this practice to expand into the western territory.

slavery

300

The annexation of this territory directly resulted in the Mexican-American War.

Texas

300

This was a mass migration to California starting in 1848 in the hopes of striking it rich.

Gold Rush

300

A vocabulary word that simply means "to add on to."

annex

300

The United States gained full control of this important river with the Louisiana Purchase.

Mississippi River

300

This was the devastating result of forcing Native Americans out of their homeland to move west of the Mississippi River.

Trail of Tears

400

The U.S. paid $15 million to purchase this territory from Mexico following a war.

Mexican Cession

400

Two-hundred Texans lost their lives at this famous battle, which was part of a revolution for territory independence.

Battle of the Alamo

400

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

400

This new technology was developed specifically to improve communication across the expanding nation.

Telegraph

400

The forced removal of Native Americans involved a deadly march of this many miles.

1,000 miles

500

California, Arizona, and Nevada were states created out of this massive territory.

Mexican Cession

500

This specific route was used by pioneers who wanted to settle along the Pacific Coast.

Oregon Trail

500

This agreement used a line of latitude to divide free and slave states.

Missouri Compromise

500

This transportation innovation was developed alongside the Erie Canal to connect the country.

Transcontinental Railroad

500

This conflict resulted directly from the United States' annexation of Texas.

Mexican-American War