US Expansion and Exploration

Louisiana Purchase

• the acquisition of the Louisiana territory (828,000 square miles) by the United States from France in 1803

• the sale of Florida to the United States in 1819

• the purchase of Alaska from Russia in 1867

• the annexation of Texas in 1845

expedition

• A journey especially by a group of people for a specific purpose (such as to explore a distant place or to do research)

• A type of vehicle used for long-distance travel

• A scientific experiment conducted in a laboratory

• A competition involving speed and endurance

Meriwether Lewis

• An American explorer known for his role in the Lewis and Clark Expedition

• A famous painter from the 19th century

• A politician who served as a governor in the 1800s

• An inventor of the steam engine

acquisition

• an asset or object bought or obtained

• a process of losing something

• a type of financial investment

• a method of selling goods

frontier

• a region that forms the margin of settled or developed territory

• a boundary between two countries

• a type of agricultural land

• a term for urban development

explain

• to make something clear by describing it in more details or by revealing relevant facts or ideas

• to confuse someone by providing too much information

• to summarize information in a brief manner

• to ignore the details and focus on the main idea

William Clark

• an American explorer and soldier who led the first expedition to the South Pole.

• an American explorer, soldier, Indian agent, territorial governor and half of the famous exploration team Lewis and Clark.

• a famous American author known for his novels about the Wild West.

• a renowned scientist who studied the flora and fauna of North America.

describe

• to provide a summary of events

• to give an account in words (of someone or something) including the important characteristics, qualities, or events

• to analyze the components of a subject

• to express an opinion about something

expansion

• the act of becoming smaller or of making something smaller : the act of contracting

• the act of becoming bigger or of making something bigger : the act of expanding

• the process of dividing something into smaller parts

• the act of maintaining the same size or state

Lewis and Clark Expedition

• A United States expedition to explore the newly acquired western territory after the Louisiana Purchase.

• A military campaign against Native American tribes in the West.

• An expedition to find a direct route to Asia through North America.

• A scientific research mission to study the flora and fauna of the East Coast.