Why can’t nick sleep at the beginning of the chapter?

Which sentence from the story is an example of conflict? “here were many men, and countless dogs, and buck found them all at work.” “buck had been purposely placed between dave and sol-leks so that he might receive instruction.” “by afternoon, perrault, who was in a hurry to be on the trail with his despatches, returned with two more dogs.” “that night buck faced the great problem of sleeping.”

The actors spoke loudly clearly and confidently. punctuate this sentence using the oxford comma

What does the word subordinate mean in this sentence? the office manager spoke to her subordinate in a cordial tone.