Original sentence: The PLO came to prominence during the Six-Day War in 1967.The PLO was engaged in a guerrilla war in Israel during the 1960s, 70s and 80s, a war during which civilians were the main victims of violences, until the two groups entered peace negotiations.The Palestine Liberation Organization (PLO; , ) is an umbrella organization founded in 1964 to represent the people that in the former Palestine Mandate before the creation of the state of Israel and their descendants
Edited sentence: 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