I believe it was advertisement
Legal recourse is essential to prevent desperate people from resorting to violence when human rights are violated.
Civil rights and Vietnam--SDS or Students for a Democratic Society fought for civil rights issues and protested against the Vietnam War.
SDS were mostly a youth movement using protests as a means to address the issues important to them. It was centered on college campuses and fought for civil rights for many marginalized groups. They also actively protested against the Vietnam War.