Cold War The world is far different today than it was 40 years ago, or even 20 years ago. Therefore, diplomacy must change as well. Some nations build ties that last while others change with the changing environment. Some nations will never have trusting ties with other nations, even though they may agree on some things. The U.S. has taken a course with China that is far different from their approach with the former Soviet Union during the Cold War. Elaborate on the two different approaches and what do you believe are the ramifications of these different approaches?