Simplify the following text for a Grade 12 native English-speaking person.
Original: One of Armenia 's famous national heroes Andranik Ozanian , at first , joined the Hunchak party , but disagreement with party policies led Andranik to leave the Hunchak ranks and join the Dashnak party and on to the Armenian Democratic Liberal Ramgavar Party .
Simplified: One of Armenia 's famous national heroes Andranik Ozanian , at first , joined the Hunchak party , but disagreement with party policies led Andranik to leave the Hunchak ranks and join the Dashnak party .