Use simple sentences, and short paragraphs. You must assume the reader does not know any abbreviations. Use plenty of labels and headings, for parties, issues and element. They haven't been in fashion for years, but you may find them very useful on the bar exam since crossing words out is extremely discouraged. As long as the pen is black, you can use it.
Some people read the file first, others read the library first.
Pick one to read first, and be consistent with that method. Spend the first 85 minutes reading and outlining, then take a 5-10 minute break. Come back and spend the remaining 85 minutes writing. They each wrote a passing essay, and each one was different from the model answer. Focus on using the facts in your answer, not the cases from the library.