Since the early 1900's, the American film industry has largely been based in and around Hollywood, Los Angeles, California.
No. The so-called "major" studios (Disney, Fox, Paramount, Sony (Columbia), Universal, Warner Bros.) have seats on the MPAA board and determine policy for that trade association and, in consultation...
because it moves in a slow motion and it projects images
It was founded to promote firearms safety and training.
That question doesn't make much sense so I'm just gonna tell you that a motion picture is a film and it entertains people.