Answer:
I march before armies, a thousand salute me. My fall can bring victory, but no one would shoot me. What am I?
I will disappear every time you say my name.
Taken from a mine and then locked up in a wooden case. I am used by students everyday.
I have two eyes in the front and a lot of eyes on my tail
I help you carry your books.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?