 The historian James Madison cautions that the Klan 

cannot be dismissed as either an aberration or as simply the insidious appeal of a fanatical few.Nor should the Klan be seen as thoroughly dominating the state and accurately reflecting racist, violent, or provincial beliefs shared for all time by all Hoosiers.Although some people tried to revive the Klan in the 1960s and 1970s, when changing social values, the Vietnam War, urban riots and industrial restructuring caused widespread economic and social disruption, the organization never regained the members or power it held during the 1920s.