In January 1960, Moroccan King Mohamed Bin Youssef invited African leaders to a historic meeting in Casablanca. After several meetings between representatives of various African States, they signed the Charter of the Organization. Six countries participated in the conference, The aim of the conference was to exchange views on African problems, to participate collectively in the liberation of the continent, and to support independent states. The most important decisions taken by the Conference were related to supporting the people of Algeria and their provisional government in achieving independence. The Conference condemned Zionist colonialism and the proliferation and testing of nuclear weapons, especially by the French, on African territory. The Conference supported Morocco's demands in Mauritania and proclaimed the principles of African unity, non-alignment, the combating of old and new colonialism, preserving the sovereignty and territorial integrity of African states and cooperation among these states. The participants discussed the problems of borders, including the border between the territory of Rwanda and Burundi. The Conference denounced Belgium's attempts to divide those territories.