It gained independence from Great Britain in 1970, though this archipelago of "Friendly Islands" was first united in 1845.  
Its most dangerous island is Fonuafo'ou, which is wracked by earthquakes and volcanoes.  It is governed by an assembly, the Fale Alea, nine of whose seats are reserved for people selected by the country's 33 nobles.  In the north it includes Tafahi and Niuatoputapu, though most of its people live in three major island groups.  The town of Neiafu is located in the Vava'u group, while Pangai and Kao Island are found in the Ha'apai group.  It gained independence from Great Britain in 1970, though this archipelago of "Friendly Islands" was first united in 1845.  FTP, name this island nation in the South Pacific which is ruled by Taufa'ahau Tupou IV, which is the only monarchy in its part of the world and whose capital is at Nuku'alofa.
Its most dangerous island is Fonuafo'ou, which is wracked by earthquakes and volcanoes.  
Tonga