Screen Films during WWI

The time of WWI witnessed the complex transition for the film industry. Actually, the main alteration came to the prolongation of screen films from several minutes to half an hour. The small nickelodeon cinema theaters grew to be bigger with prices having grown more. The screen film industry grew to be more complex and systematized. The MPPC was dissolved at that time because financial crisis in the US and throughout the whole world.
In 1912 there was formed the Universal Film Manufacturing Company that united almost all small companies and grew during the war. The film industry adopts the term "photoplay" for that kind of pictures at that time. In 1914 there was formed the Lasky company and Famous Players that produced lots of screen films that were managed by Paramount Pictures Corporation.
One more producing company that formed itself at that time was Triangle with Mack Sennet, and Thomas Ince having established that business. For some reason, it existed only for two years. Another screen film company that existed in the US at that time was the World Film Company but went bankrupt in the same way as well.
Anyway, the biggest success was achieved by D.W. Griffith at that time while cooperating with Triangle company. He was one of the first screen film writers who applied to the theme of the National Association for the Advancement of Coloured People. It was one of the real American screen film successes that yielded millions to the box office.