Read this excerpt from The Great Fire. One of the first business structures up and open was William Kerfoot's real estate office. The crudely painted sign on his shack could be seen as a guiding motto for the rest of the fire victims: "All gone but wife, children, and energy."

As the days crept by, more and more people shook off their despondency and began to rebuild their homes and businesses. The energy to start all over seemed to be catching.

Which theme about heroism does this excerpt reflect?