Syrian openish border events reignited my interest in this so I did a bit more reading:
One the one hand, there is evidence that people who move from a more violence-supportive cultural context to a less violence-supportive one can have their tolerance for violence lessened as a result… On the other hand, violence-supportive attitudes can be imported by immigrant communities from one culture context to another. -Domestic violence attitudes
Syrian openish border events reignited my interest in this so I did a bit more reading: