12805
After ten years of bloody battles between the Nationalists and the Communists , and among the warlords like Jiang , Feng , Yan and Gui , China 's vital organs were diseased , and it was like adding frost on top of snow .
 ten years, Nationalists, Communists, Jiang, Feng, Yan, Gui, China
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:
 ten years, Nationalists, Communists, Jiang, Feng, Yan, Gui, China