What point is the author making by comparing running stars to the silent sentinels

Ineed with this, i don’t know it’s display or protest

Which best identifies the figurative language used in this passage? cannon to right of them, cannon to left of them, cannon in front of them volley’d and thunder’d; storm’d at with shot and shell, boldly they rode and well, into the jaws of death, into the mouth of hell rode the six hundred.

While studying, lana reached her goal of reading half a chapter without interruptions. what should she do next?