While earlier horror relied heavily on psychological suspense, the ‘70s saw the introduction of the explicitly violent, fast-paced “slasher” film that would become a mainstay in the genre. With the motion picture ratings system still in its infancy, ‘70s films featured over-the-top profanity and gore that probably wouldn’t get past censors today. Often referred to as the “Golden Age” of horror, this decade brought us some of the best horror films in history.