In the United States, the populist Great Replacement conspiracy theory holds the view that "political elites" are purposefully seeking to increase the number of racial minorities in an attempt to displace the white American population. Believers in the conspiracy theory have used it as a racist trope in an attempt to advocate anti-immigration policies and dogwhistle to xenophobic ideology. The theory has received strong support in many sectors of the Republican Party. According to David Smith, "Two in three Republicans agree with the 'great replacement' theory." As a result, it has become a major issue of political debate. It has also stimulated violent reactionary responses, including mass murders. The name is derived from the "Great Replacement" theory, invented in 2011 by the French author Renaud Camus; it is promoted in Europe, and it also has some similarities to the white genocide conspiracy theory, popularized by the American terrorist David Lane in his 1995 White Genocide Manifesto.
Similar views originated in American nativism around 1900. According to Erika Lee, in 1894 the old stock Yankee upper-class founders of the Immigration Restriction League were "convinced...