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2. Formerly a colony of Belgium
3. Has the higher GDP per capita
4. Has the higher population
5. Che Guevara fought with Marxist rebels there
6. Its capital city lies on the Congo River
7. Its flag uses the Pan-African colours of red, yellow and green
8. Its capital city was the namesake of a proposed sequel to Casablanca
10. Has a higher Human Development Index
11. Has competed in the football World Cup
12. Its highest mountain is over 5,000m high