sentences:  By this time, he emerged as a major political figure in the Syngman Rhee administration of the First Republic of Korea.On May 10, 1948, he ran for a National Assembly seat from Jongro District of Seoul, and he was duly elected on May 30.On October 11 of the same year, he led the delegation of the Republic of Korea to the UN General Assembly and witnessed the recognition of the Republic of Korea as a sovereign nation by the UN on December 12, 1948.