The American people have long debated the extent of the Necessary and Proper Clause. Write a list of questions that could be applied to any proposed act of Congress to judge whether or not it is necessary and proper
These sites will help you.
http://en.wikipedia.org/wiki/Necessary_and_Proper_Clause
http://law.onecle.com/constitution/article-1/49-necessary-and-proper-clause.html