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Erosion that has left a chain of high plateus, edged by high cliffs.

Tree line

The line of elevation above which trees do not grow.


Large plains located in northeastern Colombia and western Venezuela

Gran Chaco

Plains located between the Andes and the Brazilian Highlands.


Wide grasslands

El Nino

An event about one or twice a decade, when the dry pacific coast is affected by an ocean and weather pattern.

La Nina

When pacific waters are colder than normal


Ruled and developed god working skills.


Founded south America's greatest early civilization


Large estates spread across the Pampas.

Buffer state

A small country between two larger, more powerful countries


A change of government


A tropical plant with starchy roots.


Small farms usually on poor land and are to small to be profitable.


Purpose was to expand trade, improve transportation, and reduce tariffs among member countries


Brazil's large slums surrounded by major cities


A country that has no border on the ocean


The use of fear and violence as a political force

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