And immediately after that the Arabs declared war on Israel and lost....but wait now they want Israel to give back the West Bank, Gaza and the Golan Heights. I guess you would be ok with the UN demanding we give Mexico back Texas, Arizona and California even though we paid them for those territories. Let us look at what has happen in Gaza since Israel gave ceded it to the Palestinian. Numerous rocket attacks, many tunnels bored into Israel from Gaza so they can attack them. If they should cede the West Bank and Golan Geights they would be committing national suicide.
UNR 181 boundries are much more than just Judea & Samaria, check out a map.
And they be the only recognized boundries