Related Clues:

• International accord, e.g.
• International thaw
• Cold War thaw
• Allies' agreement
• Warsaw ___, 1955 alliance
• Relaxation of tensions
• Warming, of sorts
• Global warming?
• Summit result, maybe
• Concordat
• Summit goal
• One may be sealed with a shake
• Peaceful coexistence
• Alliance basis
• Formal treaty