Animal rights groups are activist organizations arguing for different kinds of rights and protections for animals. Demands range from the prevention of suffering to the equation of humans and animals (especially great apes) before law.
... The left-wing of the SPA, or the Debs Caucus, including McReynolds, reconstituted the spirit of the SPA and Eugene V. Debs into the Socialist Party U.S.A. (SPUSA) ...