The following are the answers:
12. I once asked Red Cloud if he could recall having ever been afraid, and in reply he told me this story. He was about sixteen years old and had already been once or twice upon the warpath, when one fall his people were hunting in the Big Horn country, where they might expect trouble at any moment with the hostile Crows or Shoshones.
13. Red Cloud had followed a single buffalo bull into the Bad Lands and was out of sight and hearing of his companions. When he had brought down his game, he noted carefully every feature of his surroundings so that he might at once detect anything unusual, and tied his horse with a long lariat to the horn of the dead bison, while skinning and cutting up the meat so as to pack it to camp.
14. Every few minutes he paused in his work to scrutinize the landscape, for he had a feeling that danger was not far off.
The forces of drag opposes the force of thrust
