The Four Major Periods of Mormon Polygamy
Mormonism, like many Protestant churches, began as a restorationist movement, which is to say that it was dedicated to restoring everything in the Bible. Joseph Smith, Jr., Mormonisms founding prophet, felt especially close to the Old Testament, so he believed his mission was to restore Old as well as New Testament traditions such as the authority of prophets, temple rituals, and the ancient Semitic custom of plural marriage.
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Tags: FLDS, Mormon LDS Church, polygamy

