This probably doesn't apply to your scenario, but there's many historical examples of parents sending their children away, sometimes to another continent, so that the children might be able to leave war zones. I'm thinking in particular of WWII and the British evacuation of civilians (especially children).
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Date: 2010-03-03 05:48 am (UTC)http://en.wikipedia.org/wiki/Evacuations_of_civilians_in_Britain_during_World_War_II