The Hollywood film industry based in Los Angeles, California has become a global powerhouse due to its early establishment, organized studio system, and broad cultural appeal. It was founded in the early 20th century as independent studios moved to Los Angeles to escape legal battles and benefit from the sunny weather and inexpensive land. A studio system developed that standardized production and ensured profits through controlling distribution. While other film industries existed, Hollywood's success was cemented after World War I when European film production was disrupted but Hollywood continued to grow its system and audience. As a result, Hollywood came to dominate global film production and remains the leading industry today.