Answer:
A dagger thrust at my own heart dictates the way I'm swayed. Left I stand and right I yield to the twisting of the blade. What am I?
What is the edge of earth and bread?
I have a hundred legs but cannot stand a long neck but no head and I eat the maid's life. What am I?
I'll bring out your bulls and slow your roll. I may even come out of your skull.
People make me, save me, change me, and raise me. 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.