Final answer:
The Book of Mormon was published by Joseph Smith Jr. who also established the Church of Jesus Christ of Latter Day Saints.
Step-by-step explanation:
The Book of Mormon was published by Joseph Smith Jr. in 1830. He also established the Church of Jesus Christ of Latter Day Saints, commonly known as the Mormon Church or LDS Church. Smith claimed that the book was a translation of ancient American scriptures written on golden plates.
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