Russia–United States relations when Russia and Georgia fought a five-day war over the Russian-backed self-proclaimed republics of South Ossetia and Abkhazia. Despite U.S.–Russia relations becoming strained during the Bush administration, Russian president Dmitry Medvedev (president from May 2008 until May 2012, with Vladimir Putin as head of government) and U.S. president Barack Obama struck a warm tone at the 2009 G20 summit in London and released a joint statement that promised a "fresh start" in Russia–United States relations. The statement also called on Iran to abandon its nuclear program and to permit foreign inspectors into the country. In March 2009, U.S. Secretary of
Russia–South Ossetia relations South Ossetia into that of Russia's, and commit Russia to paying state worker salaries in South Ossetia at rates equal to those in the North Caucasus Federal District. The Associated Press described the treaty as calling for "nearly full integration" and compared it to a 2014 agreement between Russia and Abkhazia. The Georgian Foreign Ministry described the signing of the treaty as "actual annexation" of the disputed region by Russia, and the United States and European Union said they would not recognize it. In another move towards integration with the Russian Federation, South Ossetian President Leonid Tibilov proposed in December