Share 'Bella-Is she the hero of Saga?'

I have no particular love for Bella or Twilight in general, but something that has been bouncing around in my mind is whether or not she is the hero, the savior of the Twilight world. I'm not really talking about whether she was a protaganist or antagonist. She was definitely the main character and good even though she did cause a lot of problems, she somehow did it without becoming a villian, bu…