The 12th Article of Faith was a lie
The Articles of Faith were adopted as the rule of LDS faith and conduct as part of a campaign of deception.
Sources:
Political Deliverance, The Mormon Quest for Utah Statehood; Edward Leo Lyman
The Mormon Question: Polygamy and Constitutional Conflict in Nineteenth-Century America; Sarah Barringer Gordon
Under The Prophet in Utah, The National Menace of a Political Priestcraft; Frank J. Cannon & Harvey J. O’Higgins
Daymon Smith 9-Part Interview on By Common Consent website: https://bycommonconsent.com/2010/03/03/correlation-an-uncorrelated-history-part-1-the-mormon-underground/
The Last Shall Be First and the First Shall Be Last: Discourse and Mormon History, Daymon Mickel Smith, https://bycommonconsent.com/wp-content/uploads/2010/03/daymon-smith-dissertation.pdf
Solemn Covenant, The Mormon Polygamous Passage; B. Carmon Hardy
Joseph Smith’s 1891 Millennial Prophecy: The Quest for Apocalyptic Deliverance; Dan Erickson; https://digitalcommons.usu.edu/cgi/viewcontent.cgi?params=/context/mormonhistory/article/1027/&path_info=V22N2OPTIMIZED.pdf
The Words of Joseph Smith, Andrew Ehat & Lyndon Cook
LDS General Conference Corpus; https://www.lds-general-conference.org/