Weapons could be mass-produced and improved by  new technologies. Guns were able to fire bullets repeatedly with enhanced accuracy and range.  With the steam engine, armies became more mobile.

武器可以通过新技术进行大规模生产和改进。枪支能够以更高的精度和射程反复发射子弹。 有了蒸汽机， 军队变得更加机动。