During the war, the US created a supply depot on islands that were then a joint protectorate of the British and French. After the Americans departed, native Melanesians, having witnessed the inflow of war materiel on large aircraft, established "cargo cults" (one of which is known as the John Frum cult) in part intended to encourage planes to return with goods for them. What is the present-day name of the country where this happened?
Vanuatu