Portuguese Colonial War and political rights, corruption, poverty, inequality, and failed central planning eroded the initial revolutionary zeal. A level of social order and economic development comparable to what had existed under Portuguese rule, including during the period of the Colonial War, became the goal of the independent territories. The former Portuguese territories in Africa became sovereign states, with Agostinho Neto in Angola, Samora Machel in Mozambique, Luís Cabral in Guinea-Bissau, Manuel Pinto da Costa in São Tomé and Príncipe, and Aristides Pereira in Cape Verde as the heads of state. When the Portuguese began trading on the west coast of Africa, in
Portuguese Colonial War though the Portuguese managed to destroy several PAIGC ships and free hundreds of Portuguese prisoners of war (POWs) at several large POW camps. One immediate result of "Operation Green Sea" was an escalation in the conflict, with countries such as Algeria and Nigeria now offering support to the PAIGC as well as the Soviet Union, which sent warships to the region (known by NATO as the "West Africa Patrol") in a show of force calculated to deter future Portuguese amphibious attacks on the territory of the Guinea-Conakry. The United Nations passed several resolutions condemning cross-border attacks of the Portuguese military