Section 3 focuses on efficiency and sustainability, again making recommendations for strengthening these dimensions of performance. Since the end of the civil war in 1948, the military was abolished and stronger focus was given to investment in education, population health, and culture. At the same time, sustained and ambitious policies around environmental protection and biodiversity have led to major gains in conservation: Costa Rica has managed to substantially reverse deforestation, the only tropical country in the world to have done so.