It has been called the poem that contains the univ
It has been called the poem that contains the universe, and the scope of its narrative does address everything from government to salvation.  The central themes, set in the context of the war between the Pandavas and Kauravas, are the evil destruction of war and the universal search for peace.  FTP try to give the name of the longest epic in the world, consisting of 88,000 Sanskrit verses, that according to Hindu tradition was dictated by Vyasa the bard to the scholar-god Ganesh.
It has been called the poem that contains the universe, and the scope of its narrative does address everything from government to salvation.  
The Mahabharata