The correct option is: " It informed the public about the need for American Indians' civil rights."
In 1975 the Law of Indian Self-Determination and Assistance to Education was approved, marking the culmination of the 15 years of policy change. Related to indigenous activism, the Civil Rights Movement, and aspects of community development of the social programs of the 1960s, the Law recognizes the need for self-determination for Native Americans. It marked the farewell of the United States government towards the policy of termination, the United States government encouraged the efforts of the Native Americans in self-government and the determination of their future.