A series of parallel mountain ranges in the Andes.

• Altiplanos

• Cordilleras

• Pampas

• Estuaries

Means "high plain" in Spanish.

• Altiplano

• Cordillera

• Pampa

• Estuary

The treeless grassland of Argentina and Uruguay.

• Altiplano

• Cordillera

• Pampa

• Estuary

Where the ocean tide meets a river current.

• Altiplano

• Cordillera

• Pampa

• Estuary

Height above sea level

• Altiplano

• Altitude

• Isolation

• Estuary

To separate.

• Isolate

• Hierarchy

• Impact

• Contemporary

A classification that is arranged by rank.

• Isolate

• Hierarchy

• Impact

• Contemporary

A highly infectious disease introduced by the Europeans that killed many Incas.

• Smallpox

• Guerrilla

• Multinational

• Coup

This type of warfare uses troops who know the local landscape so well that they are difficult for traditional armies to find.

• Smallpox

• Guerrilla

• Multinational

• Coup

A company that does business with several countries.

• Smallpox

• Guerrilla

• Multinational

• Coup