Following excerpt from the Declaration of Indian Purpose in 1961: “We, the Indian People, must be governed by principles in a democratic manner with a right to choose our way of life. Since our Indian culture is threatened by presumption of being absorbed by the American society, we believe we have the responsibility of preserving our precious heritage… We believe that the history and development of America show that the Indian has been subjected to duress, undue influence, unwarranted pressures, and policies which have produced uncertainty, frustration, and despair… What we ask of America is not charity, not paternalism, even when benevolent. We ask only that the nature of our situation be recognized and made the basis of policy and action.” Which of the following tactics did Native Americans use to draw attention to their demands during the 1960s and 1970s?

A) Occupation of federal lands and public spaces
B) A literary renaissance.
C) Armed conflict with security forces.
D) All of the above