50888
After the conquest , Basil II prevented revolts by retaining the rule of local nobility , integrating them in Byzantine bureaucracy and aristocracy , and relieving their lands of the obligation to pay taxes in gold , allowing tax in kind instead .
 Basil II
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Basil II