. ▁However , ▁none ▁of ▁these ▁conditions ▁were ▁actually ▁met . ▁ ▁M endes ▁de ▁Vas con cel os ' ▁successor , ▁João ▁Cor re ia ▁de ▁S ous a ▁agreed ▁to ▁the ▁terms ▁of ▁the ▁treat y , ▁in ▁part ▁because ▁he ▁hoped ▁to ▁repeat ▁his ▁prede cess ors ▁war ▁with ▁Im b ang ala ▁help ▁against ▁K ongo . ▁ ▁In ▁ 1 6 2 2 ▁he ▁led ▁a ▁blo ody ▁campaign ▁against ▁the ▁territory ▁of ▁Kas anze , ▁located ▁near ▁Lu anda ▁and ▁under ▁K ongo ' s ▁authority , ▁then ▁claim ing ▁that ▁the ▁K ongo ▁sub ordinate ▁of ▁N amb u ▁a ▁Ng ongo ▁har bor ed ▁run away ▁slaves , ▁he ▁inv aded ▁that ▁region , ▁and ▁finally , ▁ups et ▁that ▁the ▁K ongo ▁elect ors ▁had ▁chosen ▁Pedro ▁II ▁the ▁former ▁Duke ▁of ▁M b amba ▁to ▁be ▁king ▁of ▁K ongo , ▁inv aded ▁M b amba ▁itself . ▁ ▁In ▁November , ▁ 1 6 2 2 , ▁he ▁met ▁a ▁hast ily ▁gathered ▁K ongo ▁army ▁at ▁the ▁Battle ▁of ▁M bum bi ▁and ▁defeated ▁it , ▁with ▁Im b ang ala ▁al lies ▁e ating ▁the ▁Duke ▁and ▁other ▁K ongo ▁nobles . ▁ ▁However , ▁Pedro ▁II ▁brought ▁down ▁a ▁larger ▁army , ▁defeated ▁the ▁Portuguese ▁force ▁and ▁began ▁a ▁campaign ▁of ▁hum ili ation ▁for ▁the ▁many ▁Portuguese ▁resident ▁in ▁K ongo . ▁ ▁In ▁the ▁after math ▁of ▁this ▁shock , ▁many ▁Portuguese ▁resident ▁in ▁Lu anda ,