The Long Walk was “The March of Navajos to Bosque Redondo”
They should interview other people who fought in that same war ( which would be back up witness for these two different accounts). So whoever has the most back up witnesses must be telling the truth ( also make sure the other people you interview don't know they are back up witness).
Answer:
The major purpose of slave codes was to regulate the treatment of slave by their owners so the answer would be D.
Explanation: