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A modern strategic advisor's journey against entropy in an ancient empire
Note: This is a time travel that truly conforms to the "laws of history" - the protagonist does not have the three pillars of gunpowder, glass and cement, but starts from management, health, and organization; changes are not achieved overnight, but spread slowly; historical figures are not NPCs, but opponents with their own motivations and wisdom; technological progress is subject to the conditions of the times and needs to be gradually broken through.
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