Answer:
I shift around though always slowly. I never move more than a few inches at a time. A large movement by me can kill many people. I am huge yet unseen by humans.
I turn everything around but I cannot move. When you see me you see you!
I make things short but I am pretty long myself
I am a sound made by felines when petted.
I run up and down the stairs without moving. What am I?
I march before armies a thousand salute me. My fall can bring victory but no one would shoot me. The wind is my lover one-legged am I. Name me and see me at home in the sky.