Farther down, it mentions that the 1871 Chicago Fire resulted in a wood-construction ban "still partly in place". Britannica notes that "The [1871] slums becam

Farther down, it mentions that the 1871 Chicago Fire resulted in a wood-construction ban "still partly in place". Britannica notes that "The [1871] slums became kindling for the downtown conflagration, where even the supposedly fireproof stone and brick buildings exploded in flames as the destruction swept northward." https://www.britannica.com/event/Chicago-fire-of-1871 https://www.britannica.com/event/Chicago-fire-of-1871