A(n) is an amendment introduced by a private citizen. A. initiative B. referendum C. federalist system D. supremacy clause Please select the best answer from the choices provided A B C D

It depends on the subject for me. some exams are easier than others so i usually go through it and answer questions i know based on my general knowledge, then double check after. going through the lesson can a lot  because the exams can be  very lesson-specific, but sometimes they are ridiculously long so a lot of people don't take the time. i did find that, when i went through the lessons, i was making 100's on my exams vs strictly using + the internet and  i make 90's. 

Maybe because he failed the classes or is very accelerated.