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
South West Africa which were united with the rest of the country in 1994. As a German colony from 1884, it was known as German South West Africa ("Deutsch-Südwestafrika"). Germany had a difficult time administering the territory, which experienced many insurrections, especially those led by guerilla leader Jacob Morenga. The main port, Walvis Bay, and the Penguin Islands were annexed by the UK in 1878, becoming part of the Cape Colony in 1884. Following the creation of the Union of South Africa in 1910, Walvis Bay became part of the Cape Province. As part of the Heligoland-Zanzibar Treaty in 1890, a corridor of