Which of the following statements is TRUE?

Government officials say UNITA rebels have taken control of areas along the border with Congo Kinshasa. This move will make it easier for the Angolan rebels in Congo Kinshasa to enter Angola. The Deputy Governor of Uige Province says military vehicles are entering the Angolan area of Maquela do Zombo every day. There are also reports that UNITA rebels have buried explosive devices in the area. The rebels continue to attack the Angolan cities of Malanje and Kuito.