Why is it important to understand why seemingly successful and strong civilizations fail?

Me what confession does hester make to dimmesdale while in the forest in chapter 17 of the scarlet letter ?

Sariah enters a room with several chirping crickets in it. upon first entering the room, sariah can hear the chirping; however, as she begins to talk to her friends, she is no longer aware of the chirping even though it is still there. the fact that sariah no longer perceives the chirping sound demonstrates sensory

Which of the following items would serve as a primary source for a historian studiying the american civil war