Answer:
What goes through towns and over hills but never moves?
I'm as simple as a circle worthless as a leader; but when I follow a group their strength increases tenfold. By myself I'm practically nothing.
One pace to the north. Two paces to the east. Two paces to the south. Two paces to the west. One pace to the north.
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word. What am I?
I am owned by the poor the rich does not need me. If you eat me you will die!
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk