The excerpt that best reflects the theme that rebuilding is possible after a disaster if people join together is:
“It [was] common to see ten or a dozen or fifty houses rising at once; but when one looks upon, not a dozen or fifty, but upon ten thousand houses rising and ten times that number of busy workmen coming and going …”
This passage emphasizes the collective effort of many individuals working together to rebuild on a large scale, highlighting the power of community and collaboration in the face of disaster.