Lord: How Can I Become a War Criminal When I Live in a Corner of Peace?

The defeated army has entered the city, but the third prince Karl is still silently reading a book in the church, accompanied by a cat lady attendant. This is the world of sword and magic. At this time, the 50,000-strong army of the Benelux Principality pressed on the border. The imperial reinforcements have not yet arrived, but the crown prince and king behind him have fled to other countries. [The great scientist points are full! After reading the last line, he snapped the book shut. This is his "system", which can develop territories, produce corresponding points, summon sages, and finally impart their wisdom to loyal people. The so-called physics is also a principle, and ballistics is also a Tao. It's up to you, the father of ballistics—Benjamin Robbins! Carl stroked the cat girl attendant's head: "From today on, you are Leah Robbins!" … After traveling through time, he originally wanted to live a life of farming and teasing the cat lady every day. But the empire is located in the land of four wars. In order to save his small life, he had to upgrade his military equipment. Cluster operations, ground-air integration, mechanization, informatization, combined brigades... With Newton as the core, Einstein as the supplement, nuclear explosion double C Oppenheimer, Taylor... Very good, Shougan is here! What does it mean that the territory becomes bigger and bigger as it is defended? What does it mean that I am a war criminal? !