In the early 1970s, as U.S. combat forces began to withdraw from Southeast Asia, South Vietnamese and Cambodian forces continued the fight against the People's Army of Vietnam (PAVN) and the National Front for the Liberation of South Vietnam (NLF), more commonly known as the Viet Cong. Despite the evacuation of its ground troops, the United States promised to materially support its allies' struggle against communist aggression. Over time, however, the American government drastically reduced its funding of the conflict, placing immense strain on the Cambodian and South Vietnamese armed force