Louis Riel Was Executed for His Role in the 1885

Louis Riel was executed for his role in the 1885 North-West rebellion despite the following psychiatric evidence that he was either insane at the time or was unfit to stand trial:

A) Testimony that substance use affected Riel's judgment
B) Testimony that Riel had post-traumatic stress symptoms from repressed childhood abuse
C) Testimony that Riel had spent time in psychiatric institutions
D) Testimony that he could tell the difference between right and wrong but doubted himself