I'm assuming you mean tropes, and it's because the original story tellers used three, leading to story tellers after that to copy them and use the rule of three, and so it just became a normal thing.
Many = past, I think the answer is B
The make and model of the first car he bought when he was 16, as the hippocampus controls long term memory.
Answer: is B
Explanation: they directly states that they dont accept them
Answer:
The earthly state of human existence or life after death
