Animal rights the interests of the worse off more important than those of the better off. Another approach, virtue ethics, holds that in considering how to act we should consider the character of the actor, and what kind of moral agents we should be. Rosalind Hursthouse has suggested an approach to animal rights based on virtue ethics. Mark Rowlands has proposed a contractarian approach. Nussbaum (2004) writes that utilitarianism, starting with Jeremy Bentham and John Stuart Mill, has contributed more to the recognition of the moral status of animals than any other ethical theory. The utilitarian philosopher most associated with animal rights
Jeremy Bentham that most of it was state-based, he promptly wrote to the governors of every single state with the same offer. During his lifetime, Bentham's codification efforts were completely unsuccessful. Even today, they have been completely rejected by almost every common law jurisdiction, including England. However, his writings on the subject laid the foundation for the moderately successful codification work of David Dudley Field II in the United States a generation later. Bentham is widely regarded as one of the earliest proponents of animal rights. He argued and believed that the ability to suffer, not the ability to reason, should be