Obviously somebody messed up when you let the Ports debark!
Everyone in the world has been slaughtering each other for millenia.
Think of it this way - which history of the American Revolution is more accurate, the American version or the British version?
Etc.
Everything has degraded terribly in the last 5000 years. Populations slaughtered and dispersed, civilizations destroyed, cities drowned under water and covered with jungles, histories forgotten. After the war of Kurukshetra, it shortly went downhill all over the world.