I really wish you provided the research study. I would be happy to answer. It should be attached to wherever you found this question. Hope this helps :)
The answer is: Accidental
Don marquis believe that those that disregard abortion tend to make a generalization that the oppositions are immoral while those that favor abortion tend to make a generalization that the oppositions are ignorant.
He believed that these generalization are accidental because it automatically formed with other principles or belief that the holder of opinion have in their life.
Answer:
this is not the real answer just a conjecture human being did not develp altrusim
Explanation: