Answer:
It stands upright and can be quite grand. Its secret is not hidden but right at hand. What is it?
High born, my touch is gentle. Purest white is my lace. Silence is my kingdom. Green is the color of my death.
I am black when I am clean and white when I am dirty?
I have a hundred legs, but cannot stand. I have a long neck, but no head. I cannot see. I'm neat and tidy as can be.
What goes with a car, comes with a car, is no use to a car but a car cannot move without it?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.