South America in 1879, prior to the start of the War of the Pacific. Based on the following maps:
<ul><li><a href="//commons.wikimedia.org/wiki/File:Map_of_the_War_of_the_Pacific.en.svg" title="File:Map of the War of the Pacific.en.svg">File:Map of the War of the Pacific.en.svg</a>: Atacama border dispute map.</li>
<li><a href="//commons.wikimedia.org/wiki/File:B-C-E-P_claims_and_reivindications.jpg" title="File:B-C-E-P claims and reivindications.jpg">File:B-C-E-P claims and reivindications.jpg</a>: Amazon border dispute map.</li>
<li><a href="//commons.wikimedia.org/wiki/File:Ecuador-peru-land-claims-01.png" title="File:Ecuador-peru-land-claims-01.png">File:Ecuador-peru-land-claims-01.png</a>: Clearer description of Ecuador's claims on Peru.</li>
<li><a href="//commons.wikimedia.org/wiki/File:Map_of_the_republics_of_northern_South_America_(1860).jpg" title="File:Map of the republics of northern South America (1860).jpg">File:Map of the republics of northern South America (1860).jpg</a>: Clearer description of Colombian, Ecuadorian, and Peruvian positions.</li>
<li><a href="//commons.wikimedia.org/wiki/File:PERU_MAPA_1865.JPG" title="File:PERU MAPA 1865.JPG">File:PERU MAPA 1865.JPG</a>: Description of Peruvian territorial posessions and claims in 1865.</li>
<li><a href="//commons.wikimedia.org/wiki/File:Territorios_perdidos_de_Bolivia.png" title="File:Territorios perdidos de Bolivia.png">File:Territorios perdidos de Bolivia.png</a>: Bolivian territorial claims.</li></ul>
<a href="//commons.wikimedia.org/wiki/User:MarshalN20" title="User:MarshalN20">MarshalN20</a>
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<span class="int-own-work" lang="en">Own work</span>