The Armaments Empire of Another World

As the king of an armaments empire, Tang Mo unexpectedly fell and transmigrated to a completely different world, unexpectedly acquiring an armaments king system.In this backward world, Tang Mo relies on the abilities bestowed upon him by the system to promote the development of the entire world.After all, the desire for conquest of civilization is its driving force, and life, over millions of years, has been constantly evolving between attack and defense...So, selling assault rifles to these archers, training knights into tank crews... no problem, right?