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Who was Joseph Smith and what brought him to founding Mormonism? What was recorded in the Book of Mormon?
With the guidance of an angel, he discovered and translated the Book of Mormon. The Book of Mormon talked about a group of pious Jews who Migrated from the Holy land to America. After Christ's crucifixion and resurrection, he appeared to this community and proclaimed the Gospel. After a war annihilates these Christians, only a few descendents were left, who were ancestors of the Indians.