<P> The Scare had its origins in the hyper - nationalism of World War I as well as the Russian Revolution . At the war 's end , following the October Revolution , American authorities saw the threat of Communist revolution in the actions of organized labor , including such disparate cases as the Seattle General Strike and the Boston Police Strike and then in the bombing campaign directed by anarchist groups at political and business leaders . Fueled by labor unrest and the anarchist bombings , and then spurred on by United States Attorney General A. Mitchell Palmer 's attempt to suppress radical organizations , it was characterized by exaggerated rhetoric , illegal search and seizures , unwarranted arrests and detentions , and the deportation of several hundred suspected radicals and anarchists . In addition , the growing anti-immigration nativism movement among Americans viewed increasing immigration from Southern Europe and Eastern Europe as a threat to American political and social stability . </P>
<P> The Scare had its origins in the hyper - nationalism of World War I as well as the Russian Revolution . At the war 's end , following the October Revolution , American authorities saw the threat of Communist revolution in the actions of organized labor , including such disparate cases as the Seattle General Strike and the Boston Police Strike and then in the bombing campaign directed by anarchist groups at political and business leaders . Fueled by labor unrest and the anarchist bombings , and then spurred on by United States Attorney General A. Mitchell Palmer 's attempt to suppress radical organizations , it was characterized by exaggerated rhetoric , illegal search and seizures , unwarranted arrests and detentions , and the deportation of several hundred suspected radicals and anarchists . In addition , the growing anti-immigration nativism movement among Americans viewed increasing immigration from Southern Europe and Eastern Europe as a threat to American political and social stability . </P>
was the u.s. attorney general that led the red scare
was the u.s. attorney general that led the red scare
General A. Mitchell Palmer
General A. Mitchell Palmer