Assertion: manifesto's idea | /r/HasProperty | the ideas of its ruling class
Facets:
Source sentences:
text: The ruling ideas of each age have ever been the ideas of its ruling class.
text: In fact, Marx affirms that "the ruling ideas of each age have ever been the ideas of its ruling class.
text: The ruling ideas of each age have ever been the ideas of its ruling class.
text: The ruling ideas of each age have ever been the ideas of its ruling class.