What Killed Hollywood's Golden Age?

collider.com: The Golden Age of Hollywood and its glamour continue to define the film industry a century later. Even after we have ushered in a new, contemporary period of filmmaking, timeless talents like Marilyn Monroe and Humphrey Bogart are still the faces of an ever-changing industry. Between the introduction of technicolor and the grand sets and performances that continue to inspire filmmakers in the 2020s, most of what came out of the Golden Age is unforgettable and remains a prominent point in United States history. Despite its stature, this legendary age of Hollywood wrapped decades ago. What caused the Golden Age of Hollywood to come to an end?