In the book "Night", by Elie Wiesel, Wiesel is recounting his memory of the German version of the gulag as well as his experience later in Auschwitz's labor camp, the hardships he faced, and his loss of his family as well as his identity. At the end, we see that his experience changed how he thought and acted, and the event of his Dad's death haunted him throughout his life. (This is because he failed to save his dad.)
Reflecting on the past effects scrooges character by showing him what he could have had, but instead he chose money letting him realize that though he may be rich and successful there's more to life then money he learns he needs to live his life tp the fullest which changes him from being a greedy old man to a generous old man.
The purpose of the cause-and-effect structure of this passage is to mark important events in the history of sugar and show how the desire for sugar led to slavery.
Firstly, if refers to the an important event in the history of sugar: when Europeans bought is as a replacement for honey. Since people liked sugar better than honey and it was much more cheaper it became greatly produced and bought.
Because of the large demand for sugar, Europeans resorted to slavery to carry out all the new and heavy tasks. Therefore, the introduction of the new sweet substance led to the most brutal of labours.
It represents hope but false hope.
