Despite the naysayers, Peggy is determined and insightful. She doesn't take "no" for an answer and she sure won't stand for any gender discrimination. Her character definitely sees the biggest transformation from start to finish.
Moss Relates to Peggy
Peggy overcame a lot on the show, and Moss relates. She's been very open with her experiences with discrimination in Hollywood and the acting world. Despite all of the obstacles, she overcame a great deal to get to the spot where she is today! (Just like Peggy!)