Why is it important to understand the mythology of a culture to fully understand the literature of a culture?

Myths, stories, legends, folklore, tall tales give valuable insights into how people perceive and think about their world. ... 

Ultimately, studying mythology gives us context into our world, our literature, and our own beliefs. The significance of these myths should not be overlooked, and even a foundational level of study will prove beneficial.

(The difference)
Literature is a body of written works of language, period or culture. ... The typical mythology is the explanation of the universe and its ethology.

1. They lived in Chicago for 20 years.
2. I saw a wonderful film in the cinema last night.
3. The sun rose at 6:38 yesterday morning.
4. The sun shined when the climber reached Mount Everest.
5. I promise that I won’t tell this secret to anyone.
6. Unfortunately, just as we got to the airport their plane took off.
7. They go to the movies only once in a while.
8. Sh! Someone is listening to our conversation.
9. I think Bob is leaving for London this very moment.
10. I wake up at 7 every morning but this morning I slept long and I did not get up until 8 o’clock.
11. I am not wearing my watch now because it is being fixed.
12. This is an easy quiz so far.
13. They live in an apartment right now because they can’t find a cheap house.
14. Everyone was asleep when the earthquake hit the small town.
15. He quit his job a couple of years ago.
16. Our daughter did not graduate from the university yet.
17. They did not send any Christmas cards last year.
18. She goes to a doctor once a year for an examination.
19. They were talking about me when I interrupted their conversation.
20. Nothing much happened when I got to the meeting.
22. I made two mistakes in the last quiz.
23. Unfortunately, our team did not win any games last year.