the answer is b, 80 pirz of all civil war wounds were produced by a single shot muzzle-loading rifle in the hands of foot soldiers. >> in 2003 retired colonel art is 81 years old. he has been into war memorabilia since childhood but the extemperature of his collection is hidden from his daughter nancy. art northeast talks much, and his wife was a hoarder, and, well, things get out of hand. nancy assumes the haphazard stacks of boxes are basically trash. but soon she and her husband brooks learn that buried are historical treasures. >> we have all these little hang tags. i encourage her dad to recall the history about the collection. it was wonderful to watch. the two of them it became a project unto themselves. >> it was a fantastic experience