The Feud That Sank Saigon – The New York Times

“Buddhists against Catholics. Northerners against southerners. Civilians against the military. Capital against periphery. Ethnic Vietnamese against ethnic minorities. In 1967, anti-Communist South Vietnam was a caldron of overlapping rivalries, precipitating and reinforcing the political chaos consuming the country after President Ngo Dinh Diem’s 1963 assassination during a military coup.”