Nikaah & Marriage Issues

Wife going overseas for a business trip without the permission of the husband

Q: If a wife leaves for another country for more than 10 days for work with out her husband even though work is not relevant to support the home or personal expenses. It's just for outing and career development. After the husband forbade her from going, if the wife did not listen and left home without any mahram, what does such a wife deserve from the husband or what is the punishment according to Shari'ah for such a wife?

Husband and wife spending time together during haidh

Q:

  1. Unknowingly about menstrual, wife & husband spend time together. What does she have to do?
  2. Is it ok for her to make ghusul or she must make ghusul?
  3. In her menstrual cycle time or days she  has to walk through the Musjid a little through the mens section & she has to walk in the middle of the ladies main section to get to the school where she teaches. What can she do about this?

Living safr distance from one's parents

Q: 

  1. Did the Prophet (Sallallahu Alayhi Wasallam) or any khalif choose any wife from beyond the territorial distance of a musafir?
  2. If so, is it the practice of our Prophet (sallallahu alayhe wasallam) or any khalif , to accompany his wife on holidays to visit his inlaws?
  3. Also did any khalif live beyond the Musafir range away from his parents?

Your answers and references are highly appreciated