Im pretty sure the answer is prejudice :)
Thomas jefferson was never really 'grumpy' in the aspect I think you were talking about, and his cause of death was actually unknown. If you have a more direct question or another question about him, please reply to this answer and I'll help you out. :)
Answer:
All of those
Explanation:
All of those have to deal with ones own thoughts and opinions
I'm pretty sure it's the Revolutionary Period.