Anecdotes are stories from the past, a part of someone's personal experience which is why they have to be factual if they are to be truthful. They can usually be checked, so i would say the correct answer is D. They are the main source of information in cryptozoology, since the main source is actually folklore, not anecdotes.
Answer:
Supply = The amount of something that is available
Demand = How much of something people want
Economy = The system of how money is made and used within a particular country or region
To talk about whatever you want
Becaus Zeus didt want the mortals to have that element yet untill they were more civilized