I dont think many of you understand that Israel has a RIGHT TO THAT LAND and to protect that land. The UN gave the Israelis that land, its the Arabs who do not accept the international agreed upon mandate.
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In 1947, following increasing levels of violence together with unsuccessful efforts to reconcile the Jewish and Arab populations, the British government decided to withdraw from the Palestine Mandate. The UN General Assembly approved the 1947 UN Partition Plan dividing the territory into two states, with the Jewish area consisting of roughly 55% of the land, and the Arab area roughly 45%. Jerusalem was planned to be an international region administered by the UN to avoid conflict over its status.
http://en.wikipedia.org/wiki/Israel