page_title: Foreign relations of South Korea
section_title: United States
hierarchical_section_title: Foreign relations of South Korea / United States
caption_attribution_description: President Barack Obama and President Lee Myung-bak of South Korea walk together following a bilateral meeting at the Blue House in Seoul, South Korea, Nov. 11, 2010. (Official White House Photo by Pete Souza) This official White House photograph is in the public domain from a copyright perspective, so while restrictions such as personality or privacy rights may apply, in general, manipulations are allowed.
context_page_description: South Korea maintains diplomatic relations with 191 countries. The country has also been a member of the United Nations since 1991, when it became a member state at the same time as North Korea. South Korea has also hosted major international events such as the 1988 Summer Olympics and 2002 World Cup Soccer Tournament and the 2011 IAAF World Championships Daegu South Korea. Furthermore, South Korea had hosted the 2018 Winter Olympics which took place in Pyeongchang, South Korea from 9 to 25 February.
  South Korea is a member of the United Nations, WTO, OECD/DAC, ASEAN Plus Three, East Asia Summit, and G-20. It is also a founding member of Asia-Pacific Economic Cooperation and the East Asia Summit.
  On January 1, 2007, South Korean Foreign Minister Ban Ki-moon assumed the post of UN Secretary-General, serving in that post until December 31, 2016.
context_section_description: The United States engaged in the decolonization of Korea (mainly in the South, with the Soviet Union engaged in North Korea) from Japan after World War II. After three years of military administration by the United States, the South Korean government was established. Upon the onset of the Korean War, U.S. forces were sent to defend South Korea against invasion by North Korea and later China. Following the Armistice, South Korea and the U.S. agreed to a "Mutual Defense Treaty", under which an attack on either party in the Pacific area would summon a response from both.
  In 1968, South Korea obliged the mutual defense treaty, by sending a large combat troop contingent to support the United States in the Vietnam War. The U.S. Eighth Army, Seventh Air Force, and U.S. Naval Forces Korea are stationed in South Korea. The two nations have strong economic, diplomatic, and military ties, although they have at times disagreed with regard to policies towards North Korea, and with regard to some of South Korea's industrial activities that involve usage of rocket or nuclear technology. There had also been strong anti-American sentiment during certain periods, which has largely moderated in the modern day.
  Since the late 1980s, the country has instead sought to establish an American partnership, which has made the Seoul–Washington relationship subject to severe strains. Trade had become a serious source of friction between the two countries. In 1989, the United States was South Korea's largest and most important trading partner and South Korea was the seventh-largest market for United States goods and the second largest market for its agricultural products.
  From Roh Tae-woo's administration to Roh Moo Hyun's administration, South Korea sought to establish a U.S. partnership, which has made the Seoul–Washington relationship subject to some strains. In 2007, a free trade agreement known as the Republic of Korea-United States Free Trade Agreement (KORUS FTA) was reportedly signed between South Korea and the United States, but its formal implementation has been repeatedly delayed, pending further approval by the legislative bodies of the two countries.
  The relations between the United States and South Korea have greatly strengthened under the Lee Myung-bak administration. At the 2009 G-20 London summit, U.S. President Barack Obama called South Korea "one of America's closest allies and greatest friends."
  However, some anti-American sentiment in South Korea still exists; The United States' alleged role in the May 1980 Gwangju uprising was a pressing South Korean political issue of the 1980s. Even after a decade, some Gwangju citizens and other South Koreans still blamed the United States for its perceived involvement in the bloody uprising. In 2008, the protests against U.S. beef was a center of a major controversy that year.
  In a June 2010 open letter from President of South Korea Lee Myung-bak published in the Los Angeles Times, he expressed gratitude for the 37,000 Americans who were killed in the Korean War defending South Korea, saying that they fought for the freedom of South Koreans they did not even know. He stated that thanks to their sacrifices, the peace and democracy of the South Korean state was protected.
  The U.S. states that "The Alliance is adapting to changes in the 21st Century security environment. We will maintain a robust defense posture, backed by allied capabilities which support both nations' security interests We will continue to deepen our strong bilateral economic, trade and investment relations In the Asia-Pacific region we will work jointly with regional institutions and partners to foster prosperity, keep the peace, and improve the daily lives of the people of the region The United States and South Korea will work to achieve our common Alliance goals through strategic cooperation at every level."
caption: United States President Barack Obama and Lee walking after a meeting at the Blue House in Seoul in November 2010.
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