77662
The rise of civilization was assisted by the local ecology of well-watered alluvial soil , as well as by the transportation network provided by the Coatzacoalcos river basin .
 Coatzacoalcos
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Coatzacoalcos