Answer:
an acronym is when letters are used to stand for words.
for example, U.S.A., United States of America
another example, N.B.A., National Basketball Association
Explanation:
N.F.L. National football league
Mr. O'Brien and Winston are the principals starrings of the novel.
Textually O'Brien tells Winston: The first thing you must realize is that power is collective. The individual only has power in so far as he ceases to be an individual..alone...free.. the human being is always defeated.
That is the first thing from O'Brien to Winston.
The last option, rollercoaster