What doctrine says that a state can declare null and void a federal law it finds objectionable?

How does an oligarchy conflict with democratic principles

Write an account of the boston massacre from the point of view of a british soldier involved in the event

What makes fort sill historically unique among other regional military installations? a. it is the site where seven major commanders of us military efforts were trained. b. it houses the largest explosive weapons factory in the united states. c. it specializes in training soldiers to preserve the cultural artifacts of nations invaded by the us military. d. it is the oldest functioning installation in oklahoma.