Where did the movies begin? It is often said that they are an American invention. It is not entirely true. The motion picture has been the most international arts. Before the dawn of the twentieth century, inventors in France, England and the United States were among the dozens of men who were trying to develop ways of using photographs to create the effect of motion. Soon after 1889, when the famous inventor Thomas Edison first showed motion pictures through a device called the kinetoscope(活动电影放映机), other devices for the same purpose appeared all over the world. Edison had solved certain problems, making it possible for other inventors move ahead with their own devices. One other important contribution by Edison was the introduction of 35 mm as the international standard film width.

That the movies are an American invention is not entirely true. This means that______.