The four college students sparked national interest in the push for civil rights. So they went through all the pain that took a lot of training for equality for blacks. They did this by not attacking back from getting Assaulted, beat down, coffee thrown at.
They choose this place because that was the best place to stop the segregation. They wanted to go to a happy place to see what they would do.
After this they stopped the segregation and made equally rights for the african americans