Answer:
I build up castles. I tear down mountains. I make some men blind, but I help others to see. What am I?
I am the thing that is used to make your weight. What am I?
Break me but I’ll continue to work touch me and maybe I’ll stay with you forever.
I've been argued on my color. Without me you'll die. So many attempts on your life use me so make sure you have many of my White friends.
Without a bridle, or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.