By 1678, the governor of the captaincy of Pernambuco, Pedro Almeida, weary of the longstanding conflict with Palmares, approached its king Ganga Zumba with an olive branch. Almeida offered freedom for all runaway slaves if Palmares would submit to Portuguese authority, a proposal which Ganga Zumba favored. But Zumbi – who became the commander-in-chief of the Kingdom's forces in 1675 - was distrustful of the Portuguese.