The interview with Ambassador Ridgway best supports the conclusion as Reagan's late embrace of détente politics helped usher at the end of the Cold War. Thus the correct answer is D.
An interview refers to communication taking place between two individuals in which discussion on some topics will be done in the form of asking questions and taking feedback. These will be a face to face conversations.
The Cold War came to an end as a result of Reagan's delayed acceptance of détente policies. Between 1967 and 1979, the United States and the Soviet Union witnessed a counter of Cold War tensions known as détente.
Therefore, option D is appropriate.
Learn more about détente, here
https://brainly.com/question/1227152
#SPJ1