Which of the following UN Secretaries General was instrumental in the signing of the Green Tree Agreement between Nigeria and Cameroon over the Bakassi Peninsular conflict?

here are the answers to the questions from the image: 25. A. Kofi Atta Annan Kofi Annan, as UN Secretary-General, played a crucial role in mediating the Bakassi Peninsula dispute between Nigeria and Cameroon, leading to the Green Tree Agreement in 2006. 26. D. Abyssinia and Liberia By 1914, almost all of Africa had been colonized by European powers, with the notable exceptions of Ethiopia (Abyssinia) and Liberia. 27. A. Germany Germany joined the "Scramble for Africa" later than other European powers and, as a defeated nation in World War I, lost all its colonies, which were then administered as mandated territories by the Allied powers. 28. A. Mandika Resistance The Mandika Resistance, led by Samory Touré, was a prolonged and significant challenge to French colonial expansion in West Africa throughout the 1880s and 1890s, effectively frustrating French ambitions for many years. 29. D. Indirect rule Frederick Lugard's book "The Dual Mandate in British Tropical Africa" is a seminal work that outlines and advocates for the British colonial policy of Indirect Rule, where local rulers were used to administer territories under British supervision. 30. A. Cassamance The Four Communes of Senegal where French assimilation policy was fully applied were Dakar, Gorée, Rufisque, and Saint-Louis. Cassamance (Casamance) is a region, not one of these communes. 31. A. Promote intermarriage with Africans A distinctive aspect of Portuguese colonial policy, particularly in its early phases, was the promotion of intermarriage (mestizaje) to create a loyal, mixed-race population that could serve as intermediaries and administrators, thereby addressing manpower shortages and fostering loyalty. 32. B. Marcus Garvey Marcus Garvey was a prominent Pan-Africanist leader who championed the "Back to Africa" movement, advocating for people of African descent to return to Africa to build a powerful, independent nation. 33. B. Abyssinia Germany's African colonies included Tanganyika (German East Africa), South West Africa, and Togoland. Abyssinia (Ethiopia) successfully resisted colonization and remained independent. 34. B. Operation Torch Operation Torch was the code-name for the Allied invasion of French North Africa during World War II, launched in November 1942, with the goal of liberating the region from Axis control. 35. C. Accra Accra, Ghana, hosted the significant All-African Peoples' Conference in December 1958, a pivotal event in the Pan-African movement and the struggle for African independence. 36. D. Bribery African nationalist leaders primarily used methods such as civil disobedience campaigns, rallies, meetings, and newspapers to mobilize support and press for independence. Bribery was not a recognized or principal method of the nationalist struggle. 37. B. Apartheid The statement describes the policy of Apartheid, which was implemented in South Africa from 1948 by the National Party government to enforce racial segregation and discrimination, based on the idea of "separate development for its different peoples." What's next?