The answer is A
Because setting is all those reasons.
I believe it's unknown since the Mississippi is the predicate and unknown is a describing word, a.k.a. an adjective but I'm not sure
Good luck, hope I helped!
<span>C.?i really dont know but thats my best guess
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The anwer is <span>Few airmen volunteered for positions as gunners.
</span><span>in The Death of the Ball Turret Gunner depicted the situation in World War II. You can see it from these lines:
</span><span><em>Six miles from earth, loosed from its dream of life, - </em>indicates that he's lonely
</span><span><em>I woke to black flak and the nightmare fighters. - </em>indicates that he held the position as gunners.</span>