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.
West Africa Squadron States Navy assisted the West Africa Squadron, starting in 1820 with , which the US had captured from the Royal Navy in 1815. Initially the US contribution consisted of a few ships, but eventually the Webster-Ashburton Treaty of 1842 formalised the US contribution into the Africa Squadron. In 1867, the Cape of Good Hope Station absorbed the West Coast of Africa Station . In 1942 during World War Two the West Africa Station was revived as an independent command until 1945. Post holders included Post holders included: Post holders included: West Africa Squadron The Royal Navy established the West Africa