Fall of Civilization

2. the condition of having a population so dense as to cause environmental deterioration, an impaired quality of life, or a population crash
4. desire to return to or of some past period
8. the attitude of relying too much on one's own perspective and/or have a higher opinion of oneself than reality
11. an outbreak of a disease occurring over a wide geographic area (such as multiple countries or continents) and typically affects a significant proportion of the population
13. the defining spirit or mood of a particular period of history as shown by the ideas and beliefs of the time.
16. the average span of time between the birth of parents and that of their offspring
17. a point of view that finds meaning in tomorrow rather than in the past or present
18. a great disaster
20. "I knew it all along"

1. a sudden failure : BREAKDOWN or RUIN
3. military operations between enemies
5. public violence, tumult, or disorder
6. an outbreak of disease spreading quickly and affects many individuals at the same time
7. an attitude emphasizing negative aspects, conditions, and possibilities or to expect the worst possible outcome
9. able to see things as they really are and to deal with them in a practical way
10. an extreme scarcity of food
12. dishonest or illegal behavior especially by powerful people
14. a sudden attack on and entrance into hostile territory
15. the fear of juveniles by older adults
19. an extent of time associated with a particular person or thing