Violence and displacements of people were especially bad in Sudan,Chad, the Democratic Republic of Congo and the Central African Republic.

VOA: special.2010.02.15

Somalia,which has been plagued by civil war for nearly two decades, has Africa's third largest IDP population after Sudan and the Democratic Republic of Congo.

VOA: standard.2009.10.23

UNICEF's three biggest operations are in the Democratic Republic of Congo, Sudan and Ethiopia.

VOA: standard.2010.02.04

Elements of these U.S. forces have deployed to forward locations in the LRA-affected areas of the Republic of South Sudan, the Democratic Republic of the Congo, and the Central African Republic to enhance regional efforts against the LRA. These forces, however, will not engage LRA forces except in self-defense.

WHITEHOUSE: Letter from the President -- War Powers Resolution

Ebola was first identified in equatorial Sudan following significant outbreaks in northern Zaire (now Democratic Republic of Congo) and southern Sudan in the mid 1970s.

BBC: Africa's emerging virus threat

But his rebels now terrorise large swathes of the Democratic Republic of Congo, South Sudan and the CAR and he is wanted by the International Criminal Court for rape, mutilation and murder of civilians, as well as forcibly recruiting children to serve as soldiers and sex slaves.

BBC: US offers up to $5m for leads on Uganda warlord Kony