This 1990 UN General Assembly resolution entitled “Right of peoples to self-determination/Struggle by all available means” is worth a read: https://www.un.org/unispal/document/auto-insert-184801/ “Reaffirms the legitimacy of the struggle of peoples for independence […]” “Strongly condemns the constant and deliberate violations of the fundamental rights of the Palestinian people, as well as the expansionist activities of Israel […]”