The subtitle 'They started Running' in the article highlights the initial action that sparked the race riots in Chicago, emphasizing the racial tension and segregation at the time.
In the article 'How the drowning of a black boy led to two weeks of racist violence and exposed the segregation at the heart of Chicago,' the subtitle 'They started Running' is used to highlight the initial action that escalated the situation and sparked the race riots. This subtitle implies that the violent events in Chicago began with a black boy swimming too close to the 'White beach,' causing a white mob to attack and ultimately kill him. The use of this subtitle serves to emphasize the racial tension and segregation prevalent in Chicago at that time.