Russia has systematically used social media to spread propaganda and disinformation within the United States, targeting the general public and specific groups to influence political attitudes, exacerbate divisions, and interfere in electoral processes. These efforts have been well-documented by academic research, U.S. intelligence assessments, and criminal indictments.
https://www.nature.com/articles/s41467-022-35576-9
https://www.cbc.ca/news/world/russia-us-election-interferenc...
https://en.wikipedia.org/wiki/Russian_interference_in_the_20...