They settled by rivers and in fertile valleys so that their food could grow better and faster. This eventually also led to not only surplus food, but then people could have multiple jobs each and bring in more money for their family. That's basically how civilization started.
I’m not sure if this is the answer you want, but from what I gathered, it looks like there had been lots of planning to boycott before this incident. Parks was an active member of this discussion and some think that her refusal to move was a challenge. When she was arrested, African American rights groups such as the NAACP took that as a chance to begin the boycott, which was organized by Martin Luther King Jr.
It would be C! Settlers could obtain cheap land nearby! Hope all is well and you pass!
A. Urban II
These incursions prompted the emperor of Byzantium, Alexius I Comnenus to send a delegation to Piacenza, Italy, asking Pope Urban II in March 1095 for help against the Turks. On November 27, 1095, in Clermont, France, Pope Urban II called for a crusade to help the Byzantines and to free the city of Jerusalem.