Topic
- Water-power 13
- Droughts 12
- Resource allocation 12
- Armed Forces 11
- Aswan High Dam (Egypt) 11
- Commerce 11
- World Bank 10
- Gezira (Sudan : Region) 9
- Rivers 9
- Aquifers 8
- Soils 8
- Population 7
- Silt 7
- Sudan People's Liberation Army 7
- Building 6
- Canals 6
- Desertification 6
- Investments, Foreign 6
- Political parties 6
- Rain and rainfall 6