a justice system in the awnswer
I believe the answer is A
Most of the work in considering and editing bills is done in A) congressional committees. These congressional committees are the first stop after a bill is introduced by a Congress member and is where most of the editing and adjustment takes place before a bill with either move on or be killed.
"<em>Brown v. Board of Education</em>reversed the court ruling of <em>Plessey v. Ferguson."</em>