Mozambique–South Africa relations government. When Mozambique gained independence from Portugal in 1975, thousands of Mozambique-born Whites moved across the border to South Africa, the descendants of which are today Portuguese South Africans. The Shangaan or Tsonga people live on both sides of the Mozambique–South Africa border. Black movement between the two states existed to a large extent due to the possibility of employment of Mozambicans in the mines of South Africa. The cross-border remissions form an important part of the Mozambican economy. South Africa played an important role in the Mozambican Civil War in supporting RENAMO against the FRELIMO government. South Africa and
Mozambique into 405 "postos". "Postos administrativos" (administrative posts) are the main subdivisions of districts. This name, in use during colonial times, was abolished after independence and was replaced by "localidades" (localities). However, it was re-established in 1986. Administrative posts are headed by a "Secretários" (secretaries), which before independence were called "Chefes de Posto" (post chiefs). Administrative posts can be further subdivided into localities, also headed by secretaries. Mozambique operates a small, functioning military that handles all aspects of domestic national defence, the Mozambique Defence Armed Forces. The official currency is the New Metical (as of March 2018, US$1 is roughly equivalent