Shortages affect people in a variety of ways. If there is a shortage of food many people can die from starvation. If the is a shortage of water (a drought) many people can not only die but no one will be able to bathe and the animals can suffer from dehydration. On the other hand, a surplus is entirely different.
A judgment you are asked to make a personal decision about a works success or lack of success. you can also offer good reasons to support your judgment.
The letters of ternary for A.K.A musical form are A,B,A