Lamanites cursed

1. Jacob 3: 3, 5
     3 But, wo, wo, unto you that are not pure in heart, that are filthy this day before God; for except ye repent the land is cursed for your sakes; and the Lamanites, which are not filthy like unto you, nevertheless they are cursed with a sore cursing, shall scourge you even unto destruction.
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     5 Behold, the Lamanites your brethren, whom ye hate because of their filthiness and the cursing which hath come upon their skins, are more righteous than you; for they have not forgotten the commandment of the Lord, which was given unto our father—that they should have save it were one wife, and concubines they should have none, and there should not be whoredoms committed among them.
2. Alma 3: 6, 9, 14
     6 And the skins of the Lamanites were dark, according to the mark which was set upon their fathers, which was a curse upon them because of their transgression and their rebellion against their brethren, who consisted of Nephi, Jacob, and Joseph, and Sam, who were just and holy men.
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     9 And it came to pass that whosoever did mingle his seed with that of the Lamanites did bring the same curse upon his seed.
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     14 Thus the word of God is fulfilled, for these are the words which he said to Nephi: Behold, the Lamanites have I cursed, and I will set a mark on them that they and their seed may be separated from thee and thy seed, from this time henceforth and forever, except they repent of their wickedness and turn to me that I may have mercy upon them.