Began nation to nation relations and mutual trade treaty. About a year ago, i had once invited to gentlemen with the names of mr. Dan lytton and peter underwood. They were the descendents of those who founded the University Medical center. These american missionaries came in the late 19 century and founded hospitals and schools. They did many work for the people. In 1945, after the u. S. Rose the tories from the pacific war, korea was liberated from japans colonial rule. However, the disarmament of japanese troops north of 38th parallel was hindered by soviet union. As the soviet union forces occupy the north, the peninsula became divided and suffered structural problems. After our liberation, the United States, who is in charge of militarization for south korea, withdrew their forces before june 29, 1949, as the republic of korea government was established in 1948. They left only 479 members at the Korean Military advisory group. Also, january 1, 1950, the secretary of state, mr. Dean