“When they heard Box 342 rung, however, they assumed the fire was out of their territory and unhitched the horses. Only two fire companies were not fooled by the misleading alarm.”
Explanation:
This is the detail that best supports Tim's thesis. The thesis states that people made several important mistakes when dealing with the fire, and that this was an important reason why the fire was able to spread so rapidly. The detail supports this, by telling us that one of the main mistakes that were made was the fact that fire companies assumed the fire was out of their territory, leading them to unhitch the horses.
“When they heard Box 342 rung, however, they assumed the fire was out of their territory and unhitched the horses. Only two fire companies were not fooled by the misleading alarm.”
The impact that the words feared and hatred in the chapter 17 of The Prince have on the meaning of the passage is that they suggest that a ruler who is feared can retain power, while a ruler who is hated is less likely to do so.