Why did UN resolutions and Peacemaking moves of the late 1960s and 1970s not achieve a peaceful resolution of the Arab-Israeli conflict?

UN resolutions and peacemaking attempts of the late 1960s and 1970s were ineffective in resolving the Arab-Israeli conflict for two key reasons; the first was the lack of effective UN involvement and implementation of Security Council resolutions, the second was the input of the superpowers, most notably the US, who involved themselves in the peace talks on and off during both periods, when a strong backing of UN resolutions from the start may have helped …

…a small Palestinian authority that was hostile towards Israel. Israel was not prepared to take such chances, as they saw it. During the 1960s the Arabs and Israelis would not be open to negotiations with each other. The first stage of negotiating is to get both parties talking; this was a distinctive task that a weaponless mediator like Jarring needed to do first in order to be effective in producing a resolution to the conflict.