The correct answer is: such words are not part of the essential exposition of ideas
From what I can see there are multiple correct answers. B and C are both correct. If you can only pick one I'd go with C. More recently businesses have moved more into cities.
C) the court process can take a long time and be very expensive.
Dr. Martin Luther King Jr supported non-violent protest.
For example the Albany movement where Dr. King and peaceful demonstrators were all jailed. Later on they are freed from jail. The Birmingham campaign where protests were held against businesses that only hired “White” Anglo-Saxon Americans or had segregated restrooms. These protests would include sit-ins and marches, which would get them jailed. Dr. King encouraged the nonviolent protest in order for the jails to overflow.