When Japan defeated in World War II, it handed over its authority to many countries in Asia and one of them is South Korea. This leads to the two Koreas known by the term Korean Peninsula 38 paralleled the founding of the Republic of Korea on August 15, 1945 led by President Syngman Rhee, and the establishment of the Democratic People's Republic of Korea on September 9, 1945 under Kim Il Sung. the United States and the USSR then chose to become involved in the Cold War, where they sought to ideologize and help spread their authority in various areas of the world. A Cold War proxy war on brands exists in both countries. The United States assigned its authority to the Republic of Korea or South Korea, while the USSR chose North Korea (World Factbook, 2012). This has had a great influence on the development of both countries to this day, both domestically (political and economic issues) and in peace and war. South Korea's partnership with the Republic's power division in the 3 rooms Executive, Legislative and Judicial Behaviors. South Korea's executive was led by the president as head of state and the prime minister as government leader. Even so, the President has greater authority in establishing diplomatic relations, both domestic and foreign. Our position in the last 5 is a year old. The election in South Korea to use the system is popular and want to waste a vote was last held in December 2012 with President Park Geun Hye as the winner. Legislative chamber, the unicameral National Assembly of South Korea or Gukhoe chosen every 4 years and was held on April 11, 2012. The Assembly has 299 seats and is occupied by representatives of different political parties. While in the legal institution, the South... in the middle of the paper... at 10.9%. This time South Korea is ranked 7th in the ranking of US trading partners, and a country with the 15th largest in the world (US Diplomatic State Department, 2012). The economy has evolved. Today, South Korea is experimenting with a shift from direct, centrally planned investment to a market-oriented model. This was not to be separated from the emergence of South Korean chaebol (giants) that dominated the world market, such as Hyundai and KIA registered automobiles, and Samsung and LG electronic products. This time South Korea is also developing market segmentation towards the US with KORUS FTA or Korea-US Free Trade Agreement which was agreed in 2011 and has become the second largest in the US after the FTA NAFTA exchange and South Korea's second largest after the Korea-European Union Free Trade Agreement. This makes South Korea one of East Asia's auto and Asian tiger economies.