get your facts straight
1947–1948 Civil War in Mandatory Palestine
Main article: 1947–1948 Civil War in Mandatory Palestine
In the immediate aftermath of the United Nations' approval of the Partition plan, the explosions of joy amongst the Jewish community were counterbalanced by the expression of discontent amongst the Arab community. Soon thereafter, violence broke out and became more prevalent. Murders, reprisals, and counter-reprisals came one after the other, killing dozens of victims on both sides in the process.
read it all here
http://en.wikipedia.org/wiki/1948_Arab-Israeli_War
How hard is that