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 formally integrated into the Russian economy by treaty in March 2015. After being instructed by Russian Prime Minister Vladimir Putin, in March 2009, Russia allocated 2.8 billion rubles from the Russian federal budget, as part of agreements between the Russian Ministry of Finance and its South Ossetian counterpart, which were based on the treaty signed in September 2008. Russia also allocated an additional 8.5 billion rubles to South Ossetia in order to assist in rebuilding housing, social amenities and utilities which were destroyed or damaged during the 2008 war. According to Eduard Kokoity, seventy percent of residential housing and eighty