Talaq = Women get the right for Talaq IF AND ONLY IF the man provides it during NIKKA. And he MAY NOT give KABOOL IF this conidtion is stated.
Purdah - A piece of cloth covering the whole body wull prtect against what??? so your answer to Crime control esp Rape is a Pardha...hmmm I will give you another chance to come up with something more sensible. Are you trying to say man doesn;t have to protect his dignity and self-respect..???