Or just do those crimes and never loose a war. The moral is you can get away with all the murder if you are not an upstart and can write it out of your history. Can even be a hero of history prosecuting people for the crimes you commit.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9735018/

https://en.m.wikipedia.org/wiki/Great_Famine_(Ireland)

https://en.wikipedia.org/wiki/Holodomor

https://research.manchester.ac.uk/en/publications/la-famine-...