The byzantine ruler who led a resurgence of power in the eleventh century by crushing the bulgars was

The appropriate response is Basil II. The rule of Basil II, generally recognized to be one of the remarkable Byzantine sovereigns, outstandingly represents both the quality and the shortcoming of the Byzantine arrangement of government. His unstoppable and powerful identity and his savvy statesmanship were balanced by the inborn shortcoming of a supreme absolutism that depended such a great amount on the character of the ruler.

They showed the country that integration could be successful.