Final answer:
Option A incorrectly uses the underlined vocabulary word 'polity'.
Step-by-step explanation:
The sentence that uses the underlined vocabulary word incorrectly is option A. The word 'polity' is misused in this sentence. Polity refers to a particular form of government or the organization of a political community. In this context, it doesn't make sense to say 'victory polity' as it doesn't convey a clear meaning. The correct word to use would be 'celebration', as in 'Everyone is going to the celebration after we win the game on Friday night.'
Learn more about Use of vocabulary words