It was common in ancient times for a conquered territory to continue to be known by its pre-conquest name.

At other times, governments use force in order to defend their country from outside invasion or other threats of force and to coerce other governments or conquer territory.

As it has extended its territory, the group has placated locals with cheap fuel from the makeshift refineries that have sprung up across the conquered territory.

The victory was hailed as a milestone because of the relative complexity of the 2,500-year-old game, which involves conquering territory on a 361-square board.

Despite this, he persisted with the campaign, as he hoped to conquer territories that would be a suitable bargaining counter in later negotiations.