Artillery Arc

Wang Zhong came to another world and got involved in the world war in this world.
The plug-in he got is a real-time strategy-like overhead perspective, and he can also see the view of his troops!
So he decisively started micro-manipulation: "Move the machine gun position five centimeters to the left! Place the anti-tank gun in the woods on the right!"
Three years passed like this. Wang Zhong looked at the marshal's scepter in his hand, and then at the double-headed eagle flag behind the emperor's imperial envoy.
"There is an old saying in my hometown, 'Princes and generals are better off because of their own kind.' Sir, do you know that?"