Opposition parties UNITA (National Union for the Total Independence of Angola), Democratic Bloc (Bloco Democratico) and PRA-JA Servir Angola sign a memorandum of understanding to join forces in general elections in 2022, under a coalition known as the United Patriotic Front. The ruling People's Movement for the Liberation of Angola (MPLA) has governed the country since independence from Portugal in 1975. IMAGES AND SOUNDBITES