sentences:  He attended the University of South Carolina from 1971–73 and pursued a master's degree in international studies but had to withdraw due to his father's ailing health.He later studied in the United Kingdom, first to the University of Southampton, where he studied International Relations, then to Balliol College, University of Oxford, where he received his PhD in International Relations in 1984.When he returned to Taiwan, he became a professor at the Sun Yat-Sen Institute for International Studies at National Sun Yat-sen University.