Why did the european nations determine the division of africa in berlin germany

The Berlin Conference of 1884–85, also known as the Congo Conference (German: Kongokonferenz) or West Africa Conference (Westafrika-Konferenz),[1]regulated European colonization and trade in Africa during the New Imperialism period, and coincided with Germany's sudden emergence as an imperial power. Called for by Portugal and organized by Otto von Bismarck, first Chancellor of Germany, its outcome, the General Act of the Berlin Conference, can be seen as the formalization of the Scramble for Africa. The conference ushered in a period of heightened colonial activity by European powers, which eliminated or overrode most existing forms of African autonomy and self-governance.[2]

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