10-12 Page double spaced research paper on Crimea

The context of this paper is analyzing using International Law sources whether Crimea rightly belongs to Russia or Ukraine. I have started the essay so please use the document provided in your answer. Sources used must be reliable, preferably scholarly sources. Some websites below can be used as they contain information important for the paper. I also have a bibliography started on the document attached. Please use APA citation format

https://www.lawfareblog.com/russian-forces-ukraine-sketch-international-law-issues

https://eeas.europa.eu/delegations/ukraine/41530/international-law-crimea-ukraine_en