I'm afraid that if we take a Old Testament perspective on the issue of foreigners in the land, we find counsel to be kind and fair to them.
Exodus 22:21If we take a Book of Mormon perspective, here we find a rather chilling vision of darker pigmented skinned people coming from Central America and mingling with the lighter pigmented skinned people, the Nephites. They, the Lamanites are, for periods at a time, more pleasing to God because they obey his commandments better.
In the end there exist no Nephites at all ( ! )
And this is because of the Sovereignty of God - especially through the wickedness, immorality and ungratefulness of the Nephites.
Ezra Taft Benson repeatedly drilled it into my generation, Mormon-Generation-X, that the Book of Mormon was made for our time...
And we caucasions believe that prison tents, large fences and political promises are the answer?
Not according to the Book of Mormon! No.