At the end of the day, I have no idea what pushed her to end the friendship so abruptly. Perhaps there have been things that I have done that she's never brought up to me. Perhaps she really does feel that strongly about the political issue that led to our demise. Perhaps she simply felt that the relationship had run its course and was taking the easy way out.
The Gift that Keeps on Giving
One thing that really shook me was the loss of a friendship that took me by surprise. While I was obviously not perfect, I knew that I had done everything I could to mend my mistake, and at the end of the day, the ball was in her court. And she chose to drop it deliberately.