JOHANNESBURG South Africa said Tuesday that the evidence it provided in the genocide case against Israel at the International Court of Justice (ICJ) shows how Tel Aviv is using starvation as weapon of war, aiming to depopulate Gaza through mass killings and forced displacements. ‘‘The evidence demonstrates unequivocally that Israel’s genocidal acts are of special intent to commit genocide in the Gaza strip. Its failure to prevent genocide and incitement to genocide and its failure to punish