Time Travel Master: Technology Crushes the Southern Song Dynasty

At the end of the Song Dynasty, Mongolia invaded the south, and Chen Yuanan, a wealthy young man from Chenjiaao in the south of the Yangtze River, crossed over. I originally wanted to enjoy peace and happiness, but I saw turmoil at the border and people were in dire straits. I got a golden finger by accident, and modern knowledge came to my mind. It can improve farm tools, build water conservancy, make iron and make machinery, and develop firearms. Others rely on the sky for a living, but he uses technology to change their destiny. The tenants have a good harvest, the workshops are prosperous, an army is formed to protect the village, and the people return to their hearts. When the enemy troops pressed the territory, he became angry and fought for his family, and the whole village became soldiers. From a lazy young master to a commander-in-chief, he will eventually stand at the top of troubled times.