Chad , one of the poorest and most volatile nations in Africa , has become even more unstable as the conflict in Sudan 's western region of Darfur between non-Arab insurgents and the Arab-dominated government has spilled over the border into Chad .
Africa /location/location/contains Sudan
Africa /location/location/contains Chad
NNP , CD IN DT JJS CC RBS JJ NNS IN NNP , VBZ VBN RB RBR JJ IN DT NN IN NNP POS JJ NN IN NNP IN JJ NNS CC DT JJ NN VBZ VBN IN DT NN IN NNP .
Africa
LOCATION
Sudan
LOCATION
/location/location/contains
Africa
LOCATION
Chad
LOCATION
/location/location/contains