I think the answer is D, I might be wrong though but hope I helped! Sorry if I didn't!
The Calhoun doctrine shows that Calhoun wanted states to have the right to nullify national laws
i think that it was alaska because hawaii was the last state i think
The former US president, Ronald Reagan, formed the economic policies known as Reagonomics. Thus, the answer to this item is letter D. These policies are especially focused on the reduction of taxes and promotion of unrestricted activities in the free-market.