The correct answer to this open question is the following.
In each of the mentioned events, Dr. Martin Luther King, Jr. demonstrated his commitment to nonviolent demonstrations despite the local police's different aggressions.
The Montgomery bus boycott started on December 5, 1955, and ended on December 20, 1956. The March on Washington for Jobs and Freedom Alabama protests occurred on August 28, 1963, and approximately 250,000 participated in this historic demonstration.
Dr. King, Rosa Parks, and all the civil rights leaders who participated in both demonstrations resisted the police and other people's aggressions and maintained their commitment to never act violently. Indeed, it was the "trademark" of Dr. King's style.
Because Children were being put to work, not getting paid, he dangerous conditions. Children were getting hurt while working.
The answer is B I know it
If its wrong I can say nice try to myself
The benefits were jobs, since the factories moved to cities and needed more workers the urbanization began thus creating a high demand for labor