What is the effect, in Tennyson's "The Charge of the Light Brigade," of lines such as these?

"Cannon to the right of them,
Cannon to the left of them,
Cannon behind them
Volleyed and thundered . . ."

Question

What is the effect, in Tennyson's "The Charge of the Light Brigade," of lines such as these? 

"Cannon to the right of them, 
Cannon to the left of them, 
Cannon behind them 
    Volleyed and thundered . . ."

anonymous · Answer

A.
The lines convey the sense that the soldiers are trapped and surrounded.
 
 B.
The lines convey the heroic actions of the soldiers manning the cannon.
 
 C.
The lines convey the way the mounted soldiers looked as they rode.
 
 D.
The lines convey the dismay of the soldiers as they realized that someone gave an incorrect order.

anonymous · Answer

@coolman500  @Black_ninja123 do either if you know this?

black_ninja123 · Answer

Sorry I don't know this