1905
Communists and other hard - liners had opposed the tricolor flag and the eagle as a vestige of the Czars , forcing Yeltsin to approve them by decree .
 Communists, other hard - liners, the Czars, Yeltsin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 Communists, other hard - liners, the Czars, Yeltsin