Chief Justice John Marshall stated last 1803 in the case of Marbury v. Madison that "It is emphatically the province and duty of the judicial department to say what the law is. Those who apply the rule to particular cases, must of necessity expound and interpret that rule. If two laws conflict with each other, the courts must decide on the operation of each."
It implies that the judicial department applies the law and the understanding and interpretation therein would still be based on the designated person. If soever, the interpreter or representative in the judicial department would make any conflict with the intent, process, actual application of the law (the two representation of law), the courts would be the end to finalize the decision.
Key was inspired by the sight of a lone U.S. flag still flying over Fort McHenry at daybreak, as reflected in the now-famous words of the “Star-Spangled Banner”: “And the rocket's red glare, the bombs bursting in air, Gave proof through the night that our flag was still there.”
It is claimed that she fought a dirty battle which was more based on insults than on presenting your own plan and program. She had the incumbency advantage and instead of focusing on that, she defamed her opponents which even led to her being called to court in a defamation lawsuit.
It is one of the main causes for the war.