Land the U.S. bought from France in 1803 that doubled the country’s size

The belief that the U.S. was meant to expand west all the way to the Pacific Ocean

Land owned by a country but not yet a state

Businesses and factories that make things from natural resources

To make products using machines or tools, often in a factory

A journey for a specific goal, like exploring new land

The movement of people from one place to another

A railroad that connected the eastern and western parts of the United States, making it faster and easier for people and goods to travel across the country

A machine powered by steam that helped run trains and factories

Land the government set aside where Native American groups were forced to live

Adding land to a country, like when Texas became part of the U.S.