Korea's Grievous War

In 1948, two years before Cold War tensions resulted in the invasion of South Korea by North Korea that started the Korean War, the first major political confrontation between leftists and rightists occurred on the South Korean island of Cheju, where communist activists disrupted United Nations-sanctioned elections and military personnel were deployed. What began as a counterinsurgency operation targeting 350 local rebels resulted in the deaths of roughly 30,000 uninvolved civilians, 10 perce…