All men are created equal and have certain UNalienable rights- among these are, the right to Life, Liberty and the pursuit of Happiness- there are no caveats, no borders, no walls, no prejudice, etc.
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Free access to America, is not one of those rights, for non-Americans.
The same way that free access to Mexico is not a right for Americans.
THe crux of your position, is an unsupported assertion.