Describing the policy you'll be analyzing for constitutionality.
An exploration of the constitutional issues that could be/are raised by this particular policy.
Analyzing the issue through a study of the constitution, previous court cases, and secondary sources.
How well you are able to get your point across.
How strong was your argument?
How does the paper LOOK?
Citations are used effectively, and proper notation is used.
Sources can be scholarly journals, primary sources, appropriate internet sources.