Angola–Cuba relations that Angola's large oil reserves would serve well to make it a rich and strong backer of a Marxist expansion, Cuba focused on primarily supporting Angolan Marxist rebel movements over the liberation movements of other Portuguese colonies, thus beginning the special relationship between Cuba and Angola. Portugal set Angola's independence date for 11 November 1975. Three prominent liberation movements contended for the role of leading the newly formed independent country, namely: UNITA, FNLA and the MPLA. Each of the three movements received foreign assistance, UNITA from western countries, FNLA from China (and later from the West) and MPLA from the
1950s in Angola of Northern Angola, which advocated the independence of the traditional Kingdom of Kongo, in 1954. Portuguese police arrested Agostinho Neto of the MPLA and future President of Angola (1975–1979), in 1952 and again in 1955 for his involvement in the Portuguese Communist Party. He returned to Angola in 1959 and police arrested him again in 1960. Portuguese authorities arrested over 100 MPLA members in 1959. The Portuguese discovered petroleum in Angola in 1955. Production began in the Cuanza basin in the 1950s, in the Congo basin in the 1960s, and in the exclave of Cabinda in 1968. The Belgian company