<span>Cry loudly, lift shrill voices like magicians</span>
In the exposition the plot, background, and characters are introduced.
It is deep, pure, sometimes blue and sometimes green, not very abundant in fish besides pickerel, has an irregular shore, and is inhabited peacefully by ducks and geese and frogs and other wildlife, like White Pond, a nearby pond it resembles.
Hope this helps
The Necessary and Proper Clause is as follows: The Congress shall have Power ... To make all Laws which shall be necessary and proper for carrying into Execution the foregoing Powers, and all other Powers vested by this Constitution in the Government of the United States, or in any Department or Officer thereof.
