The Medicare Coverage Database (MCD) contains all National Coverage Determinations (NCDs) and Local Coverage Determinations (LCDs), local articles, and proposed NCD decisions.
USS CONSTITUTION. The Constitution--called Old Ironsides because cannonballs could not penetrate her tough oak sides--was one of the first of the original six frigates that made up the U.S. Navy. A 44-gun frigate built at the Edmond Hartt Shipyard, Boston, MA, in 1797.
The Articles of Confederation was the precursor of the United States Constitution because of the many reasons it had weaknesses and replaced by the United States Constitution. The Constitution of the United States comprises the nation's fundamental law, providing the framework for its governance and the principles under which it must operate.