The first leader of the U.S.-dominated Republic of Korea was AP World History Chapter 35 The first leader of the U.S.-dominated Republic of Korea was a. So Kim Chung. b. Lee Ho Park. c. Chung Ju Yung. d. Kim Il-Sung. e. Syngman Rhee. Answer: E Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+