In The Call of the Wild, Curly was killed because

she refused to submit to the man with the club.

she was friendly and did not see the danger in the other dogs.

she could no longer keep up with the team, though she tried.

she was defending John’s camp when the intruders came and killed everyone

The correct answer is: she was defending John’s camp when the intruders came and killed everyone.

Curly was killed because she refused to submit to the man with the club.

In The Call of the Wild, Curly was killed because she refused to submit to the man with the club.

To find the answer to this question, you would need to read or be familiar with the novel "The Call of the Wild" by Jack London. In Chapter 2 of the novel, Curly, one of the sled dogs, encounters a man with a club who is trying to establish his authority over the dogs. Curly, being a friendly and sociable dog, approaches the man without realizing the danger. However, when the man tries to hit Curly with the club, she resists and fights back. Unfortunately, Curly's inexperience and lack of understanding of the harsh rules of survival in the wilderness lead to her demise. Ultimately, she is killed by the man in order to establish his dominance over the dogs.

It is important to note that this answer is specific to the storyline of "The Call of the Wild" and may not apply to other adaptations or interpretations of the story.