North America
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The principle of political or commercial cooperation between the US and the countries of South America, as well as those in Central America and the Caribbean.

Hazards caused by human action.

The movement that occurred between 1916 and 1970 of almost 6 million Africa Americans from the Deep South to cities in the North and West of the USA.

Goods that come from agriculture, forestry, mining, and fishing.

A straight linedm heavy wind storm that can develop and move quickly.

The 750-mile active zone between he Pacific and North American plates that runs from San Francisco down to southern California.

An area created by sediments carried by a river.

An agreement between countries that typically results in reduced barriers to trade and investment flows between the countries. Examples include NAFTA and the TPP.

The use of violence to destroy a city.

A country in which the city and the state are essentially one and the same.

Injecting liquids at high pressure into underground rock formations to extract oil and gas.

A segment of the economy that is made up of jobs and services performed as opposed to goods produced.

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