Question: when was polygamy outlawed in the united states
Answer: ' ' Signed Yes United States March 1882 Edmunds Act , which reinforced Morrill by making polygamy a felony in the jurisdictions covered by Morrill ; also prohibited `` bigamous '' or `` unlawful cohabitation '' as a misdemeanor offense , which removed the need to prove that actual marriages had occurred in order to obtain convictions on polygamy related charges .