Answer: They wanted to prove that segregated buses were illegal.
Explanation: They want to bring it to court but they need the arrest of black rider so they have something to say that is illegal they shouldn't get arrested for something like that and that its illegal.
Im not one hundred percent sure but i think its to show why we have the declaration of independence.

<h2><u>1.) Insecurity</u></h2>
<h2><u>2.) Distraction</u></h2>
<h2><u>3.) Addiction</u></h2>