Hand over the Space-Time Gate and Lead the Country to War in 1937

Jiang Chen, a 22-year-old deliveryman, was hit by the "Recruitment Beacon from the Heavens" and was able to open the space-time door to 1937! When he traveled through time for the first time, he was alone, facing the troubled times where mountains and rivers were broken and corpses were everywhere. He understands that the power of an individual is as small as dust in the face of the tide of the times. After returning, Jiang Chen made a decision that subverted everyone's imagination - report it to the country! When this secret was made public, the entire Dragon Kingdom senior leadership was shocked! From this moment on, Jiang Chen's fate was tightly bound to the fate of the entire country. A "space-time task force" composed of top special forces, strategic experts, and military scientists was urgently established! When the torrent of modern steel and cutting-edge technology poured into that dark era through Jiang Chen's small space-time door... The entire world line was completely in chaos! However, this is just the beginning. When the doomsday desperate situation, fantasy martial arts, interstellar wandering and other planes are opened one by one, when the beacon holders of other cosmic civilizations complete their novice trials, a civilizational competition sweeping the world has just begun! And Jiang Chen and Long Guo, who hold this incredible trump card, will become the most terrifying chess players in this game!