Portuguese Angola Portuguese protectorate by the 1885 Treaty of Simulambuco. Sometime during the 1920s, it became incorporated into the larger colony (later the overseas province) of Portuguese Angola. The two colonies had initially been contiguous, but later became geographically separated by a narrow corridor of land, which Portugal ceded to Belgium allowing Belgian Congo access to the Atlantic Ocean. Following the decolonisation of Portuguese Angola with the 1975 Alvor Agreement, the short-lived Republic of Cabinda unilaterally declared its independence. However, Cabinda was soon overpowered and re-annexed by the newly proclaimed People's Republic of Angola and never achieved international recognition. Portuguese explorers and
Trade unions in Angola Trade unions in Angola Before 1975, while under Portuguese rule, Trade unions in Angola existed primarily as "occupational syndicates" - operating welfare services, but banned from collective bargaining and strike action. Independent African trade unions were illegal, however, some underground or exiled unions existed, and were involved in the struggle for Angolan independence. When the Movimento Popular de Libertação de Angola (MPLA) came to power in 1975 the National Union of Angolan Workers (UNTA) became the sole national trade union centre. There is now an independent trade union centre as well, the General Centre of Independent and Free Unions of