Caesar perceiving the difficulty, disposed archers and slingers, and in some places, opposite to the easiest descents, placed engines, and attempted to hinder the townsmen from getting water at the river, which obliged them afterward to go all to one place to procure water.|25px|25px|chapter 40 ( Latin) p.221 book 8}}
The passage describes Caesar's military tactics in a siege situation. He used his forces and resources to create obstacles and disrupt the enemy's ability to obtain essential supplies like water. This forced the townspeople into a more centralized position, potentially making them easier targets.