The group gained territory in north america as a result of the french and indian war is the Great Britain. It is an island separated from the European mainland by the English Channel and North Sea. It comprises the nations of England, Scotland and Wales. Its long history is evident in prehistoric sites such as Neolithic Stonehenge and medieval castles like those at Warwick, Dover and Caernarfon. Roman ruins include Hadrian’s Wall, which once divided Roman Britain from the northern Scottish Lowlands.