Outlining before you write a paper is good so you can get a general idea for it all and organize it before diving in.
D is a good thesis statement bro
The answer will be A. Harmful it says it in the definition.
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.