The soul pierced Chongzhen, but found that he had his own Huaxia Library, rectified the rule of officials, trained the new army, and calmed the inside and outside, and the first step of a scientific and technological power began to retain Wei Zhongxian. Donglin's intention is to be in the Ying Dynasty? Have you ever asked if the factory guard knife is still profitable? Tartars in Liaodong intended to erode the Central Plains? Have you ever heard the roar of guns and artillery? Dongying often disturbs coastal defense? Instead of being vigilant every day, why not add a stone to the Ming Dynasty? Knowledge changes the world, grazing North America, mining Australia, colonizing India, and stepping on Eastern Europe. Guns cast me iron-blooded, science and technology cast me grand prosperity. Zhu Youzhen: All the countries in the sea are vassals, and there is a Ming dynasty, and the sun and the moon never set.