To present a clear conclusion, the final sentence could be revised to reflect the emotional bond and mutual respect developed through their experiences on the trail. Here’s one possible revision:
"The emotional bond forged through their shared journey on the treacherous trail led the men to weep at the thought of parting with Buck, recognizing that he and the other dogs had not only become their companions but also their equals in this harsh, demanding life."
This revision encapsulates the themes of connection, respect, and the growth of relationships between the men and their canine team.