10270
As a result , Mr. Mengistu has been forced to transfer thousands of troops from Eritrea just to hold the town , thereby risking the loss of even more territory in Eritrea only to keep the Tigreans at bay .
 Mengistu, thousands, Eritrea, Eritrea, Tigreans
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 Mengistu, thousands, Eritrea, Eritrea, Tigreans