Inventing American sport, 1860s–1900: factory whistles, railroad schedules, the first leagues, and a color line drawn on purpose. Watch the briefing, then work the three drills below. Nothing is saved or sent anywhere.
Every story this semester runs on one of four threads. Read the headline, call the thread. Score: 0 / 0
Build the timeline: click the events in chronological order, earliest first. Wrong click flashes red — no penalty except shame.
Eight questions. The tally is watching.