55578
In order to expand its reach , Tiwanaku exercised great political astuteness , creating colonies , fostering trade agreements ( which made the other cultures rather dependent ) , and instituting state cults .
 Tiwanaku
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Tiwanaku