Summary the Will of the Great Leader view on Nationalism

When the Great Leader united us together to build our Democratic Republic of Bourgeoiss, he had considered nationalism to be the number one enemy of not only the state but the whole humanity, even more dangerous than imperialism and colonialism, as imperialism and colonialism are the undoubted consequence of nationalism. How did he come to this conclusion and how does this view affect our government-state building? This brief summary will answer these question.
I. The foundation of nationalism
The origin of nationalism can be traced back to the French Revolution in 1789; of course, before the French Revolution, some sense of nationalism can be found in some other events like the foundation of the United States of America, wars for independence of the Dutch against Spanish Empire or the rise of Ottoman Empire... However, the French Revolution marked a point where nationalism became a global ideology that every country to this day builds state-based on. Nationalism is the response to the dominance of theocracy and feudalism at the time. In the era of theocracy, the Vatican or Papal State, is the ultimate moral and ideological authority that represents God. That was also the era of feudalism, where landlord held power within their land with minor interference of the state. However, with the rise of a new economic system, capitalism, state became more and more centralized; this created the environment for the rise of nationalism.
II. The consequence of nationalism
After the rise of nationalism, each nation-states became more centralized and powerful; they began to expand all over the world but because of nationalism, they considered themselves to be more "civilized". With that ilusion, they did not consider the people on the land they occupied the same as them, so this led to forced labor, torture or even genocide. Not only that, nation-states also conflicted with each other to gain land, regional power and influence that led to even more war like the Napoleonic War, American-Mexican war, endless invasions of colonialist state on other lands, World War I, World War II, etc.
III. Even Marxist-Leninist State could not escape nationalism
Despite Marxism clearly again nationalism, in practice the founding of the Union of Soviet Socialist Republic by Lenin at first seemed to be a victory of humanity again nationalism, only to reveal how impractical Marxism is in state building. The USSR's last effort to fight nationalism may have ended with the downfall of Leon Trosky that gave Stalin ultimate power. Stalin's theory so-called "Socialism in one Country," is a compromise of Marxism's impractical aspect in state building with nationalism to legitimize the existence of the USSR by a theory that is nationalism with a socialist sugar coat. Soviet nationalism became even clearer with the downfall of Nazi Germany, The USSR, just like American imperialist, right away expanded their influence to eastern Europe and east Asia by creating communist state based on nations, for example, the German Democratic Republic, Polish People's Republic,... from then we could say that there is no real Marxist state as Marxism is impractical in state building
IV. Nationalism is no different from religion
In Christianity, the cross of Jesus Christ is sacred; its a symbol that no one dare to offend; if someone do, their action is instantly considered to be wrong by christians for no reason, they just believe that the cross is sacred. That go same for national flags, national anthems,... The idea here is that nationalism and religion ideology only based on belief in fictional sacred items for belief in some "national legends" that can be made up and have no way to prove. The transition from Theocracy to Nationalism is simply from an ultimate moral authority from the Holy See to the ultimate moral authority of the Nation-state. Karl Marx said that "Religion is the sigh of the oppressed creature, the sentiment of a heartless world and the soul of soulless conditions. It is the opium of the people". Karl Marx's description on religion can be used to describe nationalism. Nationalism is also the sigh of the oppressed creature; its creates an illusion where people proud of their "heroic people", proud of their "beautiful land", proud of their "sacred origin",... that all are nonsense and unprovable are used as opium so that state can oblige responsibilities on you without return equal benefits. If you are a citizen of our Democratic Republic of Bourgeoiss, there is no reason to be proud of it; you were born on this state, you live and work under the constitution, and you follow the Will of the Great Leader, its not because you are proud of anything, but you know that its the social contract, and you fulfill its for social harmony and for social stability, which after all benefit YOU; its a Win-Win relationship.
V. Bourgeoiss's state building
Apart from the nationalist world today, Bourgeoiss have chosen to build the state based on the humanity idea that all human are the same and all are welcome in Bourgeoiss. That is how our Democratic Republic came to exist with the united of all victims of nation-states under the guidance of the Great Leader; we had found our own state and continuously building its base on the humanity view of anti-nationalism in the Will of the Great Leader. In practice, in order to turn theories in reality, the state have to use specific methods, including strengthening the army, establishing the permanent curfew and combining the army and public security into one single force whose main goal is ensuring public loyalty to the Great Leader and abolishing all cultures. These methods, despite being said to be "extreme" by outside nationalist enemy, was proved to be the only way state can effectively fight nationalism, build a state for all people no matter their races, classes, or nationalities and move forward to build a more humane society.