USA HISTORY

Detailed explanation-1: -The tunnels were used by Viet Cong soldiers as hiding spots during combat, as well as serving as communication and supply routes, hospitals, food and weapon caches and living quarters for numerous North Vietnamese fighters.

Detailed explanation-2: -The Cu Chi (pronounced Ku Chi) tunnels are an extensive 250-mile (around 400km) network of underground trenches dug manually by the Vietnamese people and Viet Cong guerillas to protect themselves from the merciless bombing unleashed by American forces who fought a war in Vietnam in 1964-73.

Detailed explanation-3: -The Ho Chi Minh Trail was a military supply route running from North Vietnam through Laos and Cambodia to South Vietnam. The route sent weapons, manpower, ammunition and other supplies from communist-led North Vietnam to their supporters in South Vietnam during the Vietnam War.

Detailed explanation-4: -In order to combat better-supplied American and South Vietnamese forces during the Vietnam War, Communist guerrilla troops known as Viet Cong (VC) dug tens of thousands of miles of tunnels, including an extensive network running underneath the Cu Chi district northwest of Saigon.