Read the excerpt from "Freedom Walkers” by Russell Freedman.

E. D. Nixon and other black leaders wanted to take the entire bus segregation issue into federal court. They hoped to demonstrate that segregated buses were illegal under the U.S. Constitution. But first they needed the strongest possible case—the arrest of a black rider who was above reproach, a person of unassailable character and reputation who could withstand the closest scrutiny.

What is the most important information given about the Black leaders in this paragraph?

They wanted to bring the issue of segregation to court.
They wanted to bring the strongest case to court.
They wanted to prove that segregated buses were illegal.
They wanted to ask the arrested rider more questions.