Civil disobedience is non-violent so no one gets hurt but it brings the point across. Gandhi’s salt march in 1930 was an example of this. It brought attention to the media and made the government aware of Gandhi but no one was killed doing this. Also because Gandhi was noticed it helped him get a meeting with the government and eventually helped him free India.
Civil disobedience can change segregation laws and make it better for an entire group of people. The Greensboro sit-in