~They Believed That The Threat Of War Was Real.
Hope this helps.
The Jewish people, since they appear in the history seem to have lot of problems with the other people that lived around them, often being persecuted or enslaved.
Initially they have been enslaved by the Egyptians and were not in nice relations with them, saving themselves by the scratch, but ending up in a desert. After they settled in what is now Israel, they have been conquered by the Assyrians, and since they were rebellious, the Assyrians systemically misplaced them out of their homeland. After that came the Romans, and it was similar, as part of them was again moved forcefully in other places of the empire. The Muslim Caliphates showed no mercy toward them, and they were terrorized and forced to move away. Then they had troubles in Europe as well, especially with the Spanish inquisition where they were burned alive publicly or killed without any mercy.
Department of Homeland Security
Answer is filling military supply orders
