In fact, this involves many complicated aspects. North Korea's history textbooks do not deny Japan's colonial history, but "dilute" it and add so-called patriotism, such as defeating the invaders with the efforts of great leaders and the masses. As for what you said is against the status of a big country, in fact, North Korea is very closed, all information is controlled by the government, and what the government says is what it is, understand? Ideology is extremely single.