Answer:
I can generate fear and some say I come out of your ears. I am as quiet as a mouse but not welcomed in the house.
Man walks over, man walks under, in times of war he burns asunder. What is it?
I have a small hill with seven holes. What am I?
Many people own a copy of me. Without me the world would fall.
Weight in my belly trees on my back nails in my ribs feet I do lack.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.