Awnser:
Buck - the protagonist, part Saint Bernard and part Scottish Shepherd. At first, Buck is a pampered dog living in the Santa Clara Valley in California. As the story progresses, Buck changes as he is forced to work as a sled dog in the harsh conditions of the Yukon.
The mother surprised the daughter and said she was pregnant
supports the view that people thought the Civil War would be over much quicker than it actually did.