The Chaco War was fought between these two countries:
- Paraguay and Bolivia
- Paraguay and Brazil
- Bolivia and Colombia
- Paraguay and Argentina
- Argentina and Brazil
The Chaco War was fought between these two countries:
The Chaco War was fought between Paraguay and Bolivia in 1932-?35. The war was waged over disputed territory in the Chaco Boreal, a plain shared by both South American countries. A commission of neutral nations awarded most of the disputed territory to Paraguay in 1938. Although outnumbered and poorly equipped, the Paraguayan army won every major engagement with the Bolivians.