90799
Impossibilism is thus held in contrast to reformist socialist parties that aim to rally support for socialism by implementing popular social reforms ( such as a welfare state ) or those who believe that socialism can emerge through gradual economic reforms implemented by an elected social democratic political party .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None