If you are talking about the Israeli-Palestinian conflict you should be aware there is a HUGE difference between Fatah (Palestinian Authority) and Hamas in Gaza who took control in 2006 and kicked Fatah out

Ideology: 
Hamas – Islamist
Fatah – Secular

Strategy towards Israel:
Hamas – Armed resistance
Fatah – Negotiations

Objectives:
Hamas – Does not recognise Israel, but accepts a Palestinian state on 1967 borders
Fatah – Recognises Israel, wants to build a state on 1967 borders