donatello executed an equestrian statue of a warlord in the pose of an emperor as a statement of social truth circa 1450 ad
likewise was his his statue of mary magdelene an observation of social reality regarding the corruption of the church in the latter half of the fifteenth century
public art in literate society often cuts against status quo perceptions in order to promote social contextual awareness
the case could be made that all art be it a product of pre literate literate or post literate culture is about and oriented towards survival