It is important that you add facts and figures to your essay. Adding opinions by historians or experts is also good but there is no substitute for facts and figures. If you want to make your essay high quality then you need to add evidences and proofs in your essay. It is the quality of your evidences that can make quality of your essay better. One more thing that you need to remember is that you should include evidences in the body of your essay and don’t hide it in footnotes or in appendices. Don’t try to make your essay too “academic” and start adding your facts and figures in footnotes. Custom Essay help can help you to find proofs for your topic.
You need to understand that people are more interested in facts and figures instead of your opinions. They want to know the evidences that you are using to assert your topic. In this manner you would be able to get people rally behind the point that you want to establish.