Why was the PLO originally created?

O to serve as the government of the Gaza Strip

to promote the "right to return" of Israelis

O to represent the interests of Palestinians

O to advance resettlement of the West Bank

PLO was originally created to represent the interests of Palestinians.

Explanation:

Afterwards the war of 1948 between Arab and Israeli many Palestinians moved out to different places and were scattered around many countries, the PLO which stands for the Palestine Liberation Organization

PLO is an organization founded in 1964 with the purpose of the "liberation of Palestine" through armed struggle, with much of its violence aimed at Israeli civilians. The PLO promoted the Palestinian refugees have a "right to return", not the Israelis. The organization tried to bring the Palestinian communities together and to defend their interest fighting against Israeli sovereignty in Palestine.

to represent the interests of Palestinians