One of the great thinkers in the Peace Movement is Judith Hand. She is both a writer and a scientist and has written an eye-opening book called "Women, Power and the Biology of Peace. It's available as a free E-book and you can find it HERE.
One of the things I see as a major impediment to peace, is the lack of women in politics. We women do have a responsibility to bring peace to the world. Let's all do our parts!