Angola's low level of human development is at odds with its potential for economic prosperity, considering the country's wealth of natural resources. Much of this paradox is explained by the social disruption and physical destruction caused by 27 years of civil war. As sub-Saharan Africa's second largest oil producer and with its tremendous agricultural potential, the country could become a powerhouse for regional trade and investment. USAID focuses on strengthening good governance, increasing economic opportunity, and improving the delivery of social services.