D. to explain why Dr. Martin Luther King, Jr., was a successful leader during a troubled time in America
Explanation:
Martin Luther King Jr. became notable for his proposal of pacifist activism, with demonstration strategies such as boycotts and big marches. He fought tirelessly for the rights of blacks and became an exemplary and admirable leader. Based on this, Martin Luther King, Jr.'s Remarkable Civil Rights Leader was written to explain why Dr. Martin Luther King, Jr., was a successful leader during a troubled period in America
