Trust, but verify as a signature phrase by Reagan, who subsequently used it frequently when discussing U.S. relations with the Soviet Union. Using proverbs that the Russians could relate to may have helped relations between the two leaders. After Reagan used the phrase to emphasize "the extensive verification procedures that would enable both sides to monitor compliance with the treaty", at the signing of the INF Treaty, on 8 December 1987, his counterpart General Secretary Mikhail Gorbachev responded, "You repeat that at every meeting," to which Reagan answered, "I like it." While Reagan quoted Russian proverbs, Mr. Gorbachev quoted Ralph Waldo Emerson, who
Effects of the Cold War and other nuclear processes. On the other hand, despite the end of the Cold War, military development and spending has continued, particularly in the deployment of nuclear-armed ballistic missiles and defensive systems. Because there was no formalized treaty ending the Cold War, the former superpowers have continued to various degrees to maintain and even improve or modify existing nuclear weapons and delivery systems. Moreover, other nations not previously acknowledged as nuclear-weapons states have developed and tested nuclear-explosive devices. The risk of nuclear and radiological terrorism by possible sub-national organizations or individuals is now a concern. The international nonproliferation regime inherited