Which event from Revolution shows that the author likely used historical information about the treatment of African Americans before the Civil Rights Act when writing this text? (RL.3.9)
A. A group of people drive up to the emergency room at a hospital.
B. A group of policemen delay the person from receiving treatment.
C. A group of policemen anticipated the arrival of the group of people.
D. One of the people is shirtless and another has been shot in the head.