https://mronline.org/2022/07/27/the-paigcs-political-education-for-liberation-in-guinea-bissau-1963-74/ → see Cartas Guinea Bissau
“The PAIGC developed networks with the liberation movements from the other Portuguese colonies, Mozambique’s FRELIMO and the MPLA in Angola. (…) By depicting Portuguese colonialism as merely the tip of a much larger complex of Western economic and political domination, the PAIGC projected its cause onto a global level. It vociferously denounced the growing investment by Western companies in the Portuguese colonies and the supply of military materiel and diplomatic cover to the Portuguese dictatorship by some of its NATO allies — particularly the United States, the UK, France, and West Germany.”