Gather. Act. End Slavery: The 4 C's of Advocacy Connect, Context, Commitment, and Catapult
International Justice Mission – Freedom Commons 
The 4 C's provide a general framework and agenda for your meeting with your representative.  To help you get familiar with the 4 C's and to give you an idea of how you might use them, we've created the following video tutorials. 
http://freedomcommons.ijm.org/resources/resources-your-district-meeting/4-cs-advocacy