Answer:
A. It was responsible for many early airplane hijackings.
Explanation:
The PLO, founded in 1964, is a broad national front regarded as the legitimate representative of the Palestinian people and whose purpose is to liberate Palestine in Israel. Over time, it has attempted to fulfill its purpose through controversial tactics, terrorism and extremism mostly directed to Israeli civilians that have included many attacks and airplane hijackings, especially carried out in the late 1960s and in the early 1970s mostly, massacres, seized, among others.
