How does the authors' word choice help to develop their purpose? A The author uses words such as "obstacles" and "threatened" to show that even the songs could not hide the danger Black people faced in the protests. B В The author uses words such as "struggle" and "resistance" to show that the songs were not accepted at first but later had a huge impact. C The author uses words such as "stirringly" and "essential" to illustrate how inspiring and important the songs were to the movement. D The author uses words such as "Victory" and "freedom" to illustrate that the songs are what convinced others to see the discrimination Black people faced.​