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Promotion of conspiracy theories
Main article: List of conspiracy theories promoted by Donald Trump
Before and throughout his presidency, Trump has promoted numerous conspiracy theories, including Obama birtherism, the Clinton body count conspiracy theory, QAnon, the Global warming hoax theory, Trump Tower wiretapping allegations, a John F. Kennedy assassination conspiracy theory involving Rafael Cruz, linking talk show host Joe Scarborough to the death of a staffer,[763] alleged foul-play in the death of Justice Antonin Scalia, alleged Ukrainian interference in U.S. elections, and that Osama bin Laden was alive and Obama and Biden had members of Navy SEAL Team 6 killed.[764][765][766][767][768] In at least two instances, Trump clarified to press that he also believed the conspiracy theory in question.[766]
During and since the 2020 presidential election, Trump has promoted various conspiracy theories for his defeat including dead people voting,[769] voting machines changing or deleting Trump votes, fraudulent mail-in voting, throwing out Trump votes, and "finding" suitcases full of Biden votes.[770][771]

Racial views
Main article: Racial views of Donald Trump
Many of Trump's comments and actions have been considered racist.