05/20/1987
https://www.presidency.ucsb.edu...
"The United States calls for all governments to advance the democratic process and work toward a system of government based on the consent of the governed."
"We pledge here today that if South Africans address the imperatives of constructive change, they will have the unswerving support of our government and people in this effort."
"From our beginning, regard for human rights and the steady expansion of human freedom have defined the American experience."
"Let us challenge young Americans, excited by technological and material progress, to ensure that this progress enriches political freedom and human dignity as well."