Which of the following is true about the palestinian liberation organization?
it was responsible for many early airplane hijackings.
the united states defines it as a terror organization.
it supports the use of violence in the conflict with israel.
the united nations has called for an end to the group.

The Palestinian Liberal Organization is considered as a terror organization by the United States. It is a form of organization that was founded in 1964 which sole purpose is to liberate Palestine through the form of armed struggle. Not only does the US consider it a terrorist organization, Israel also treats is as such.