Coto War
The "casus belli" occurred when an expeditionary force led by Colonel Héctor Zúñiga Mora occupying on behalf of Costa Rica the town of Pueblo Nuevo de Coto , a hamlet on the banks of the river of the same name that belonged at that time to the district of Alanje , in the Panamanian province of Chiriquí . 
<triplet> Alanje <subj> Chiriquí <obj> located in the administrative territorial entity