The 1948 war took place before the 4th Geneva convention of 1949. Before that, when an agressor lost the war, he had to relinquish the territories lost. This is why Israel was recognized within the 1949 border (30% wider than the 1947 partition plan). By the way, I didn't know that the Yemeni and Iraqi members of the Jewish underground militias were "European colonists!" Maybe you should study geography a little bit!
U.S., allies conduct 20 air strikes in Syria and Iraq against ISIS, says U.S. military (Reuters)