The main source of conflict in the middle east between israel and the palestinians involves

The Israeli-Palestinian conflict is an on-going struggle that began in the mid-20th century. There has been a long-term peace process and reconciliation between Israel, Egypt, and Jordan but the agreement has not reached a final decision yet. 

Conflicts are due to borders, security, water rights, mutual recognition, control of Jerusalem, Palestinian freedom of movement, settlements in Israel, and Palestinians' right to return. With which violence is almost always involved and is the center of numerous international conferences that tackle human rights violations.