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
Agriculture in Angola traders in exchange for supplies. The commercial farmers dominated the marketing for these crops, however, and enjoyed substantial support from the colonial government in the form of technical assistance, irrigation facilities, and financial credit. They produced the great majority of the crops that were marketed in the cities or exported. Before 1975, Angola had a flourishing tradition of family-based farming and was self-sufficient in all major food crops except wheat. The country exported coffee and maize, as well as crops such as sisal, bananas, tobacco and cassava. By the 1990s Angola was producing less than 1 per cent of the