Definition of Altruism ; 
is the belief that the well-being of others is equally, if not more, important than the well-being or survival of the self. Further, altruism involves selfless acts or undertakings that put the welfare of others before one's own. 
An example of altruism in a sentence would be , Politicians are not necessarily motivated by pure altruism.
        
             
        
        
        
Answer:
sparknotes and shmoop can
trust me
they help me pass english
Explanation: