Here you need to show that there are researches, based on your field of interest but they lack the data you are going to perform; Research methods. In general, a compelling research proposal should document your knowledge of the topic and demonstrate your enthusiasm for conducting the study.
Why do you want to do it? Generally, you can have confidence that all of the significant conceptual categories have been identified if you start to see repetition in the conclusions or recommendations that are being made.
Graham Butt, editor.
The fragility of modern democracy. This is an important point because the mere listing of tasks to be performed does not demonstrate that, collectively, they effectively address the research problem. Research proposals contain extensive literature reviews.