m Luanda outwards, as attempts to invade Kongo in 1670 and Matamba in 1681 failed. Portugal also expanded its territory behind the colony of Benguela to some extent, but until the 19th century the inroads from Luanda and Benguela were very limited, and Portugal had neither the intention nor the means to carry out a large scale territorial occupation and colonization.
Delimitation and ocation of Angolacup
The process resulted in few gains until the 1880s. Development of the hinterland began after the Berlin Conference in 1885 fixed the colony's borders, and British and Portuguese investment fostered mining, railways, and agriculture based on various forced labour systems. Full Portuguese administrative control of the hinterland did not occur until the beginning of the 20th century. In 1951, the colony was designated as an overseas province, called Overseas Province of Angola. Portugal had a presence in Angola for nearly five hundred years, and the population's initial reaction to calls for independence was scarce. More overtly political organisations first appeared in the 1950s and began to make organised demands for self-determination, especially in international forums such as the Non-Aligned Movement.
The Portuguese regime, meanwhile, refused to accede to the demands for independence, provoking an armed conflict that started in 1961 when black guerrillas attacked both white and black civilians in cross-border operations in northeastern Angola. The war came to be known as the Colonial War. In this struggle, the principal protagonists were the MPLA (Popular Movement for the Liberation of Angola), founded in 1956, the FNLA (National Front for the Liberation of Angola), which appeared in 1961, and UNITA (National Union for the Total Independence of Angola), founded in 1966. After many years of conflict that lead to the weakening of all the insurgent parties, Angola gained its independence on 11 November 1975, after the 1974 coup
