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Vocabulary from chapter 3: History Alive, TCI

Physical Features

A natural feature of the earth's surface, such as mountains or valleys

Rocky Mountains

A natural barrier to travel and settlement

Natural Resources

Raw materials supplied by nature that come from the earth, the water, or the air and are used to produce goods.

Fossil Fuels

coal, oil, natural gas, and other fuels that are ancient remains of plants and animals.


A geographic area defined by one or more characteristics that set it apart from other areas


the process in which countries are increasingly linked to each other through culture and trade

Population Density

a measurement of the number of people per given unit of land


official count of the population

Great American Desert

Land west of the Missouri River and east of the Rocky Mountains. The landscape had no trees, little rainfall and tough prairie sod. This land seemed like a desert to the many who past through this unexplored area on their way to the Pacific Coast and that is how it came to be known.


Native of Los Angeles




Chance for people to pursue their hopes and dreams


a political system in which the supreme power lies in a body of citizens who can elect people to represent them


Powers or privileges granted to people by an agreement


having the same rights, conditions, status and opportunities as everyone else

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