Please help! What does the following best summarizes a key element of Tommy‘s character in the excerpt the cowboys son

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)

How does crane's depiction of the way information was spread in the nineteenth century affect the novel? crane seeks to use the novel as a way to criticize the journalists of the time for how they glorified war as a means of union propaganda. by depicting the extent to which newspapers were circulated, crane seeks to expose the lack of unbiased reporting at the time. by giving newspapers a major role in the novel, crane seeks to make a connection between the increasing role of the military in national affairs and the decline of farming. crane captures the power of journalistic reports at a time when it was the primary means of transmitting information to a broad audience by showing its influence on henry.

Which statement correctly analyzes how the passages work together to create a central idea?