 
 <prompt> Wetin be di last nation wey dem mention? Based on di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: In 1955, American nuclear arms policy change to focus on arms control instead of disarmament. The negotiations failed before 1955 because Russians no gree allow any form of inspection. For talks wey happen for London that year, dem show say dem dey ready to discuss inspection; but when Eisenhower talk say U.S. no dey ready for inspection, the matter change. For May that year, Russians agree to sign treaty wey go give Austria independence, and this one open way for Geneva summit with U.S., U.K. and France. For Geneva Conference, Eisenhower bring proposal wey dem call "Open Skies" to make disarmament easy, wey include plan for Russia and U.S. to allow each other access to their skies for open surveillance of military infrastructure. Russian leader Nikita Khrushchev reject the proposal sharply. 