sentences:  In March 1969, an incident involving a group of black students raiding the Triangle Fraternity house, a response to racial harassment of a black female co-ed, resulted in subsequent university disciplinary action against the students and led to a hunger strike by the For Members Only group to protest the allegedly unequal punishment of the black students and tacit support of racism on campus.Northwestern remained a staunchly conservative institution throughout its history and into the 1950s and 1960s; the University of Chicago often referred to its uptown rival as "Country Club U".A 1952 visit by Senator Joseph McCarthy was met by little protest and much acclaim from both the student body and faculty.