In 1884, german chancellor bismarck called a conference in berlin and required that all european powers take what approach to africa?

He Berlin Conference of 1884 - 85, also known as the Congo Conference (German : Kongokonferenz) or West Africa ... Before the conference, European diplomacy treated African indigenous people in the same ... Under support from the British and the initiative of Portugal, Otto von Bismarck, German Chancellor, called on ...