Answer:
They doubt whether she really exist should be the right answer
Explanation:
Modern dance-is a broad genre of western concert or theatrical dance which included dance styles such as ballet, folk, ethnic, religious, and social dancing; and primarily arose out of Europe and the United States in the late 19th and early 20th centuries.
Contemporary dance- is a style of expressive dance that combines elements of several dance genres including modern, jazz, lyrical and classical ballet. Contemporary dancers strive to connect the mind and the body through fluid dance movements (hope that helps!!)
The significance of this title tells about Buck's experience with the man in the red sweater. Buck is firmly beaten and humiliated by the man, but learned a valuable lesson. He learned that might makes right in this strange new area. That rule becomes a law to Buck. He calls it the "primitive law," and throughout the book Buck learns how that rule affects him, other dogs, and his owners.