It could be a political science piece that analyzes different wars, different peace deals, conflict resolution strategies; or, for instance, it could be a historical analysis of certain peace-making initiatives in the past.

It stands out among other forms of paper by its vigor to “explain” a puzzle through some empirical data (either some survey data, or some historical data or some other legitimate form of scientific data that could be used for a research paper)

you will have to rely more on external sources. You will formulate a research question, show how to answer it by sharing your methodological choices, bring up empirical evidence to demonstrate your points and answer the research question to explain the conundrum you raised. Your paper will naturally be longer (10 pages, including bibliography).

need to specify a tangible research question.

Which dimension of Korean war you want to elucidate and how will you connect it with War and Peace? Do you consider the status quo as a peace (at the expense of having a divided country) or is it just a settlement that cannot last forever? Or are you going to analyze China’s motives? (Which is a lot harder). We cannot really go that far finding out the real motives of countries as it could be highly speculative.

Side note: try to avoid emotionally charged judgmental sentences such as “they will always be a disgrace to…”