 This exemplified the conduct of all parties throughout the for the remainder of the Second Indochina War.In 1959 the Democratic Republic of Vietnam had already established a supply line through "neutral" Laotian territory for supplying the Viet Cong insurgency against the government of South Vietnam.It was called by the communists the "Trường Sơn Strategic Supply Route ("Đường Trường Sơn")."