8604
The empire 's leaders , however , remained at Ngazargamu because its lands were more productive agriculturally and better suited to the raising of cattle .
 location: Ngazargamu
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Ngazargamu