First, should write some context for the research question, show the development of it, historical prospective moving to the current situation. -​‌‍‍‍‌‍‍‌‌‌‍‌‍‍‌‌‍‌‍‍​ Second, be critical, show the previous studies that agree with the research and the counter argument and why? Identify the development of the argument.