Complex sentence: With the invention of the motion picture in the late 19th century by Thomas Edison, and the growth of the motion picture industry in Hollywood in the early 20th century, film became a dominant performance medium throughout the 20th and 21st centuries.
Split into simpler sentences: With the invention of the motion picture in the late 19th century by Thomas Edison, and the growth of the motion picture industry in Hollywood. In the early 20th century, film became a dominant performance medium throughout the 20th and 21st centuries.