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1. Originally called "Zaire"
3. Official language is French
4. Gross Domestic Product (GDP) is made up primarily of agriculture
5. Has a lower poverty rate of the two
6. Petroleum makes up the majority of the revenue earnings
8. Tied with Malaysia for having the largest Human Developmental Index (HDI) increase in the past five years
9. Has a dominant religion of Christianity (or some form of)
10. Has the second highest rate of infant mortality in the world
11. Has a higher risk of HIV/AIDS of the two