where is this state you just mentioned located?
In the Northeastern, Great Lakes, Appalachian, and Mid-Atlantic regions of the United States.
Pennsylvania
in the Northeastern, Great Lakes, Appalachian, and Mid-Atlantic regions of the United States. 
in the 1780s the publication of the federalist papers was intended to promote the ratification of the United States Constitution when were they published? Between October 1787 and April 1788 and who wrote them? Alexander Hamilton, James Madison, and John Jay have they been used by the judiciary? Federal judges, when interpreting the Constitution, frequently use "The Federalist Papers" as a contemporary account of the intentions of the framers and ratifiers. can you name some court cases where these papers have been invoked? "McCulloch v. Maryland", "Calder v. Bull", "Hines v. Davidowitz" what was the last case all about? A case applying the law of conflict preemption and what was the outcome of it? The United States Supreme Court held that a Pennsylvania state system of alien registration was superseded by a federal system (the Alien Registration Act) because it was an "obstacle to the accomplishment" of its goals.
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Pennsylvania [SEP] Introduction
Pennsylvania ( ), officially the Commonwealth of Pennsylvania, is a state founded by William Penn in the Northeastern, Great Lakes, Appalachian, and Mid-Atlantic regions of the United States. The Appalachian Mountains run through its middle. The Commonwealth is bordered by Delaware to the southeast, Maryland to the south, West Virginia to the southwest, Ohio to the west, Lake Erie and the Canadian province of Ontario to the northwest, New York to the north, and New Jersey to the east. Pennsylvania is the 33rd-largest state by area, and the 5th-most populous state according to the most recent official U.S. Census count in 2010.