Tom regan would: agree with our common sense, due to Tom regan belief that consequences of our action matter only when those affected are human.
<h3>What is moral?</h3>
Moral is when a person knows what is right and what is wrong.
Hence, If our moral common sense tell us that accidentally running over a man with our car is morally worse compare to doing the same to a rabbit Tom regan would tend to agree with our common sense, due to Tom regan belief that consequences of our action matters only when those affected are human.
The constitution is, as the declaration of independence was a document to tell England that the america's were no longer under british rule. i hope this helps!