by Michael Pickering
As she got older she realized how one sided the world was and how men were able to do everything and the women weren't able to over 75% of what men did. She thought it was unjust and wanted to change that.
So Mary wanted to change this because she was a woman, and she thought it was unfair how women were treated. So she never did get women to vote in her lifetime but she definitely helped it along in the long run.