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200

Permafrost

Ground that is permanently frozen

200

Aqueduct

A structure that carries water over long distances

200

Constitutional Monarchy

A king or queen is the official head of state but power is limited by a constitution 

200

Tundra

Extremely cold, dry, biome

200

Maize

Early form of corn grown by Native Americans 

300

Carnival

A fair or show with food stalls, parades, rides, and other ways to have fun.

300

Independence

self-reliance and freedom from outside control

300

Deforestation

the action of clearing a wide area of trees.

300

Hurricane

a storm with a violent wind, in particular a tropical cyclone in the Caribbean.

300

Isthmus 

narrow stretch of land connecting two larger land areas

400

Mestizos

people of Native American and European descent

400

Diaspora 

A dispersion of people from their homeland

400

Colony

A group of people in one place who are ruled by a parent country elsewhere.

400

Dictatorship 

A form of government in which the leader has absolute power and authority.

400

Erosion

Processes by which rock, sand, and soil are broken down and carried away (weathering)

500

Ecotourism

the practice and business of recreational travel based on concern for the environment

500

Encomieda

land granted to Spanish settlers that included the right to demand labor or taxes from Native Americans

500

Cultural Diffusion

The spread of ideas, customs, and technologies from one people to another

500

Maya

Major contributions were in mathematics, astronomy, and development of the calendar.