197598
Although sites in western El Salvador were severely affected by the eruption of the Ilopango Volcano in the Early Classic , the only affect this had upon Quelepa was the cutting of trade routes into Mesoamerica .
 El Salvador
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 El Salvador