Indicate the year President Ahidjo launched his policy of "Green Revolution" to promote agriculture.

Here are the answers to the questions:

18. Which of the following measures was adopted by Ahidjo in the 1950s to appease the UPC militants? The correct answer is B. Offer of ministerial positions. While Ahidjo's government also used repressive measures against the UPC, offering ministerial positions was a tactic to co-opt some of its members and reduce militancy by integrating them into the political system.

19. "After more than forty years, we are today, setting up again, one family, one nation, one state,...". Identify the personality who made this statement in Buea in 1961. The correct answer is C. Amadou Ahidjo. This statement was made by President Amadou Ahidjo during the celebrations in Buea in 1961, marking the reunification of British Southern Cameroons with the Republic of Cameroon.

20. A political party that was formed in West Cameroon as a result of the KNDP crises of 1965 was... The correct answer is A. CUC of ST Muna. The Cameroon United Congress (CUC) was formed by Solomon Tandeng Muna following internal divisions and crises within the Kamerun National Democratic Party (KNDP) in West Cameroon.

21. The significance of 20th May 1972 lies in the fact that... The correct answer is C. A Unitary State was created. On May 20, 1972, President Ahidjo abolished the federal system of government and established a unitary state, the United Republic of Cameroon, following a national referendum.

22. Indicate the year President Ahidjo launched his policy of "Green Revolution" to promote agriculture. The correct answer is B. 1973. President Ahidjo launched the "Green Revolution" policy in 1973, aiming to modernize and boost agricultural production in Cameroon.