<prompt> Pedzisa mutsara unotevera: France zvishoma nezvishoma yakapa kodzero dzakawanda dzezvematongerwe enyika nekumiririra kumatunhu anoumba masangano avo maviri eAfrica, achiguma nekupa kuzvitonga kwakakura kwemukati kune imwe neimwe yekoloni muna 1958 mukati megadziriro yeFrench Community. Pakupedzisira, Chad yakawana rusununguko rwakakwana muna August 1960, neNigeria yakazivisawo rusununguko muna October 1960, uye nokudaro muganhu wavo wokubatana wakava mumwe wamarudzi ose pakati penyika mbiri dzakazvimirira. Pamusangano wenyika dzeLake Chad Basin wakaitirwa muNDjamena muna December 1962 kwakagamuchirwa kuremekedza miganhu iripo mukati megungwa. Kubvira ipapo gungwa iri rakaderera zvikuru, uye zvakawanda kana zvisiri zvose zvemuganhu weChad neNigeria zvino zvinofamba pamusoro penyika, zvichikonzera zvinetso zvekutarisira miganhu uye kugadziriswa. Muna 1983 kukakavadzana pakati peChad neNigeria pamusoro pemuganhu wavo wakabatana kwakawedzera kupinda muhondo, mushure mekunge Nigeria yatumira mauto kunzvimbo iyi ichitaura nezvekushungurudzwa kwevabati vehove veNigeria nezvikamu zveChad, zvichikonzera kufa kwe75 veChad uye mapfumbamwe mauto eNigeria. Mumakore achangobva kupfuura zviuru zvakawanda zvevapoteri zvakayambuka muganhu nemhaka yechiitiko chinopfuurira  <response>: Vapanduki veBoko Haram kuchamhembe kwakadziva kumabvazuva kweNigeria. 