Final answer:
Joseph Smith published the Book of Mormon and established the Church of Jesus Christ of Latter Day Saints.
Step-by-step explanation:
The Book of Mormon was published by Joseph Smith, who also established the Church of Jesus Christ of Latter Day Saints. Smith claimed to have translated the book from ancient golden plates that were revealed to him by an angel named Moroni.
Learn more about Book of Mormon and the Church of Jesus Christ of Latter Day Saints