I Haven't Traveled Through Time Yet, How Come Brother Zheng Has Unified the World?

[Congratulations to the host for traveling to Da Qin and becoming the Grand Master of Da Qin] [Task 1: There is a severe drought in the world, please ask the host to find 10,000 tons of food and grass for the Qin Dynasty] "Brother, I didn't travel to Daqin, where can I complete the mission?" [Task 2: The Xiongnu violated the border of Da Qin and asked the host to find materials for building a city wall for Da Qin] "Is steel and concrete okay? Wait, I still haven't traveled through time!" [Task 3: The First Emperor wants to marry his daughter to the host, please prepare the host for the marriage] "Brother, I beg you, please let me time travel quickly!" … [Task 7: Qin Shihuang plans to cross the sea to attack Fusang, and asks the host to find ten warships for the Qin Dynasty] A month later, Qin Yun got up from putting on his clothes and looked at the news on his phone. He was stunned.