Da Qin: Let You Build the Great Wall, but Not Destroy the Xiongnu

Traveling back in time to the thirty-sixth year of King Qin, he transformed into the son of King Qin, Jiang Tong. Jiang Tong, the god of the military in the 21st century, just wanted to keep the First Emperor alive and quietly serve as a military advisor to build an iron-barrel national defense for the Qin Dynasty. He was prepared to single-handedly bring the Qin Dynasty's national defense ideas, weapons and equipment to the level of World War II in the previous life, and then show the world map to the First Emperor, accomplishing the feat in one battle, and allowing future generations to enjoy the blessings. Gods will kill gods and Buddhas if they block them! Zhao Gao, you old eunuch* dare to pretend in front of me? Do you know that I dare to cut you even if I glare at you? Hu Hai, you little brat dare to molest your sisters. Your eldest brother is your father, so he must educate you! Xu Fu, you want boys and girls so much, are you looking for the elixir of immortality? I heard that using your liver to make elixirs is very effective! Then, Jiang Tong trained 200,000 iron cavalry, carrying sniper crossbows, pulling TNT, carrying mortars, and carrying submachine guns, and went to various parts of the country to reason with people... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.