"Costa Rican Independence War (Balkanization of North America)"@en . "The Ten-Day War or the Costa Rican Independence War was a brief military conflict between the Costa Rican Territorial Defence and the Mexican People's Army (MPA) in 1991 following Costa Rica's declaration of independence."@en . . "The Ten-Day War or the Costa Rican Independence War was a brief military conflict between the Costa Rican Territorial Defence and the Mexican People's Army (MPA) in 1991 following Costa Rica's declaration of independence."@en . .