They both have similar meanings.
Credit means you could say a source of proud or reward of something.
Credence somehow means the same like the likelihood of something to be true.
Answer: Bierce uses a cynical tone to ridicule human behavior and society.
Explanation:
Umm I’m not sure it’s just putting down stuff like a New Years thingy
When you are quoting someone or when quoting yourself
She was getting along with everyone but her mother