By the division of the British colonial Italian border without taking into account the local conditions of the area to some extent the territorial division of the same tribe and the conflict with the support Ethiopia separatist movements of South Sudan and then Sudan's support for the liberation movements of Eritrea as well as receipt of Ethiopians in Sudan for agriculture by transcending political boundaries, however, in 1972, the two sides exchanged notes and agreed to solve the problems of the border between them, and the issues of settlement and agriculture between the two countries were left without formal arrangements yet.
التسميات
Border problems