Answer:
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.
Soldiers line up spaced with pride. Two long rows lined side by side. One sole unit can decide, if the rows will unite or divide.
Bury deep, Pile on stones, My mind will always Dig up them bones
You can hold it without using your hands or arms. What is it?
Break it and it is better, immediately set and harder to break again.
People take me on walks and I run and have fun. What am I?