Rebirth of the Southern Song Dynasty: from the Young Emperor of Yashan to the Co-Lord of the World

Rebirth of Yashan: From the young emperor of the subjugated country to the co-ruler of the world [Traveling through the Southern Song Dynasty + Yashan's comeback + Destroying the Yuan Dynasty and restoring the Song Dynasty + Global dominance] [No system + hard-core farming + iron-blooded battle + exciting writing throughout] I fainted due to heatstroke, and when I opened my eyes again, I traveled through time and became the late Song Dynasty Emperor Zhao Bing on the eve of the Battle of Yashan! As a seven-year-old child, he was trapped in a warship on a cliff. Two hundred thousand soldiers and civilians were crowded into a small area, lacking food and water. The Yuan army was surrounded on three sides, and the fate of the iron chain battalion was determined. Lu Xiufu wanted to lead the emperor to die for the country, while Zhang Shijie fought to the death. Looking around, it was all despair! Zhao Bing in history was carried by Lu Xiufu and jumped into the sea. The Southern Song Dynasty died and China fell! But I am Wu Di, a low-level migrant worker from modern times. He is full of desire for survival and has a head full of modern knowledge. How can I sit still and wait for death? Yashan is in a desperate situation? I want to lead the remnant army to fight the bloody way! Lingnan Yizhou (Taiwan), reclaiming wasteland and farming, making firearms, and training a strong army; Rescue Wen Tianyang, conquer the south of the Yangtze River, lead the Northern Expedition, and attack Dadu; Overthrow the Yuan Dynasty, regain China, set sail to the sea, and sweep across Southeast Asia! From the young emperor who lost his country in Yashan, to the founding king of China, and finally became the common ruler of the world! Mongolian cavalry? Teach them the power of firearms! European knight? Let them see the Chinese cavalry! Countries from all over the world? Everyone bows their heads!