What were the most important role of women in World War 2?

Respectfully, may I suggest the following: The Nazi Organization of Women by Jill Stephenson Totowa, NJ Barnes & Noble Books 1981 ISBN: 0-389-20113-8 Women of the Third Reich by Anna Marie Sigmund Richmond Hills, Canada NDE Publishing Co. 2000 ISBN: 1-55321-105-7 Richard V. Horrell WW 2 Connections.com