Portuguese language in Africa more recent migrations of refugees (some of whom speak Portuguese) to neighbouring countries such as Democratic Republic of Congo, Namibia, Zambia and South Africa. Other migrations involved returning Afro-Brazilian ex-slaves to places such as Nigeria, Benin, Togo, Angola and Mozambique. There are also some returning white Portuguese African refugees and their descendants from Brazil, Portugal, and South Africa to their former African controlled territories, mostly to Angola (up to 500,000) and Mozambique (350,000), and most importantly, there is the arrival of Portuguese post-colonial expatriates in Angola in the recent years, because of Portugal's economic interests and the Angolan economic boom.
South West Africa fighting for independence, particularly after the formation of the South West Africa People's Organisation (SWAPO) in 1960. In 1966, the General Assembly passed resolution 2145 (XXI) which declared the Mandate terminated and that the Republic of South Africa had no further right to administer South West Africa. In 1971, acting on a request for an Advisory Opinion from the United Nations Security Council, the ICJ ruled that the continued presence of South Africa in Namibia was illegal and that South Africa was under an obligation to withdraw from Namibia immediately. It also ruled that all member states of the United