Its not to keep out the mexicans. Every goyim born in america thus forth are liable and must pay the massive debt owed to the federal reserve and world bankers. There is no running away from your master.
[Image: https://pbs.twimg.com/media/Du-SEdLX4AEZ...name=small]
[Image: https://pbs.twimg.com/media/Du-SEdLX4AEZ...name=small]