If I had to guess, which you're forcing me to without the use of a library nearby, it's because they started giving more and more people weapons. Armies grew larger and due to this, opposing sides had to develop alternative means to take down their foes.
![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png)
winterfish
no subject
Date: 2015-04-18 12:04 am (UTC)