Traveling Across a City with Supplies, I Went Crazy in the Northern Song Dynasty

[Travel time] [Develop technology] [Farming] [Strive for hegemony] [Unify the world] [Song Dynasty] [Multiple female protagonists] [Space] Traveling through the Northern Song Dynasty, one year counts down, and the national crisis of Jingkang is approaching. While others were panicking, Liu Yan smiled—— He takes a city with him! All the supplies for a city are at hand. Farming is rising, technology is crushing it, and powerful armies are sweeping the world. Ping Xixia, destroy Tubo, crush the Jin Kingdom, and wash Jingkang with blood! Unify the Central Plains and point the sword at the world. Take a city with you, reverse the universe, conquer the world, and attract all the people. This world, I, Liu Yan, will be decided!