Consider the following antisocial acts: european soccer fans sometimes attack and bludgeon players and other fans; in the united states, members of the ku klux klan (kkk) burned houses and lynched innocents; frenzied rock and roll fans trample one another, sometimes resulting in deaths. what do these situations have in common? they
(a) represent the downside of social facilitation.
(b) demonstrate the tragedies sometimes caused by anonymity.
(c) represent an unexpected hazard of group cohesion.
(d) reflect mass actions caused by relative deprivation.