@ryo There is no one truth, especially when it comes to history, it's speculation and interpretation, when scholars, or just reasonable, logical people, agree that documents and evidence support one claim over another, then it could tentatively be called a truth.

Are there no neutral (not imperialistic/nationalist/Marxist) writings from that age..? The US had a quite a lot of writers from ww2, who'd seen some action, likewise with other countries, though to a lesser degree, since they actually fought.