Re: how many wifes is a muslim allowed?
Meherealone !!
Many medieval and ancient rulers (Hindus, Romans, Persians, Nordic etc etc etc) had multiple wives. Do I think that was morally right? NO!
A lot of rulers married daughters/sisters of rival kingdoms to ensure truce. Some did it for other reasons. It was a sign of Royalty I guess. As I said, I think it was not morally correct. Also, these cases were limited to kings and royal families (maybe the super rich elite too). The common man did not have multiple wives. Also, in almost all of these civilizations, there was not a religious reason behind it. This is why I'm against the 4 wife rule in Islam. It applies to every man irrespective of his financial status and no matter how many explanations yu give me regarding 'conditions' to be fulfilled before having the 2nd, 3rd or 4th wife, the truth is that there is always going to be forced marriages where these conditions are not fulfilled. (and hence its not fair to women)
PS - I don't think Krishna had multiple wives. I think he had 1 wife, but several girlfriends. He was a Casanova before marriage anyway, a playa, or a male whore, whatever word you wanna use.