In chapter 1 of your text, you were provided an overview of the law and special education. You also reviewed the six principles of IDEA that govern’s students’ education (Turnbull et al., 2012). For this discussion, you should explain the relationship among the six principles of IDEA and elaborate on the differences between the first four principles as compared to the last two principles. In your comparison, you should use at least 1 reference to help support your analysis.