1. Language was used to set the atmosphere as peaceful, a normal camping trip, like every other camping trip. 2. When the narrator said he slept through everything you had to have known something was up, and when he/she said I bolted upright you immediately know that. Something bad is happening. Hope I helped.
A. "people stand like statues"
I don't know how this relevant, but I'LL ANSWER IT ANYWAY CAUSE I'M A GOOD PERSON
Poop comes from the Middle English word poupen or popen, it originally meant "fart." It was based on the sound of a fart.
I think it means to do naturally what you do, although i'm not sure.