I did not use the word oppression. Personally I think it is more lack of imagination. Given the current state of technology, it is fairly easy to know who is t

I did not use the word oppression. Personally I think it is more lack of imagination. Given the current state of technology, it is fairly easy to know who is the father of a kid. Personally, I do not feel the drive to polygamy, in particular because I think it is very emotionally demanding of all the participants and ultimately exhausting and unstable. I don't know what the "natural forces of nature" are, but of course many, many animal species do not establish monogamous relationships and they still manage to surivive.