the war concluded Process_end with the treaty of portsmouth , mediated by us president theodore roosevelt .

Negotiations were mediated Resolve_problem by `` IGAD + '' ( which includes the eight regional nations called Name_conferral the Intergovernmental Authority on Development as well as the African Union , United Nations , China , the EU , USA , UK and Norway ) .

After days of negotiations Communication between Hamas and Israel , a ceasefire mediated by Egypt was announced Expressing_publicly on 21 November .

The South African Border War was virtually ended Process_end by the Tripartite Accord , mediated Assistance by the United States , which committed Commitment to a withdrawal Removing of Cuban and South African military personnel from Angola and South West Africa , respectively .