Answer:
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
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.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.
Many hear me, but no one sees me, and I only speak when spoken to
Though blind as well, can lead the blind well.
What covers its face with its hands, speaks no language, yet most known what it's saying?