The heart of this location was a plaza called (*) Portsmouth Square in which its state's first public school was built.
Albert Williams gave religious tracts to residents of this place at a ceremony in their honor held by John Geary. It's not Greenwich Village, but a prostitute who became rich as a ship captain's mistress opened up a chain of child brothels here on Waverly Place. This location was the center of the first bubonic plague epidemic in the US. The Six Companies redesigned this place to prevent Eugene Schmitz' attempt to relocate it away from a financial district. The heart of this location was a plaza called (*) Portsmouth Square in which its state's first public school was built. The demographics of this place became less disproportionately male with the influx of "paper sons" and "paper daughters." Denis Kearny threatened to manufacture balloons to drop dynamite on this place. Early immigrants to this major site of the tong wars were encouraged by the Burlingame Treaty, and many later ones passed through Angel Island. For 10 points, name this name this enclave of San Francisco whose population grew after the repeal of an 1882 Exclusion Act.
Albert Williams gave religious tracts to residents of this place at a ceremony in their honor held by John Geary.
San Francisco's Chinatown [accept Little Canton; prompt on San Francisco or California or other less specific answers, like the US; antiprompt on parts of Chinatown like Portsmouth Square]