Angolan War of Independence

The Angolan War of Independence (Portuguese: Guerra de Independência de Angola; 1961–1974), known as the Armed Struggle of National Liberation (Portuguese: Luta Armada de Libertação Nacional) in Angola, was a war of independence fought by the Angolan nationalist forces of the MPLA, UNITA and FNLA against Portugal. It began as an uprising by Angolans against the Portuguese imposition of forced cultivation of only cotton as a commodity crop.

Source: Wikipedia — Angolan War of Independence (CC BY-SA 4.0)