civil law vs common law

The essay is a comparative essay the professor does not want a description he will grade 0 if we describe and not compare the essay is graded 30% content and 70% way of writing. the essay is comparative between common and civil law comparing by the following points: 1- historical background 2- constitution 3- legal systems (it is based on what) 4- role of judges 5-source of law 6-jury opinion the style is OSCOLA not APA . required more than 6 references. please write an introduction body and conclusion. don’t just write a title then information under it.