" The war in Vietnam spread to Cambodia when the United States bombed Cambodia’s borders to try to destroy the North Vietnamese bases. The bombings destroyed many villages and killed many people, allowing the Khmer Rouge to gain support from the peasants and farmers. In 1970, Prince Sihanouk was overthrown by his top general, Lon Nol. The United States-backed Lon Nol government was corrupt and weak and was easily defeated by the Khmer Rouge. "

― Loung Ung , First They Killed My Father: A Daughter of Cambodia Remembers