Edited sentence: It is highly ironic that Hoover, a man dominated by power and its preservation, an overt racist, and a practiced practitioner of totalitarian techniques, will go down in history as having  played a significant role (although in some case indirectly) in the ultimate reform of federal fiefdoms, containing the espionage efforts of both fascist and communist regimes as well as crushing the Ku Klux Klan and other domestic terror networks motivated by racial and religious intolerance