How does the date june 28, 1948 function in the opening sentence of jackson's "the morning of june 28, 1948, and 'the lottery'"?

Jekyll and hydedoes hyde die? if he does how

Iwas conscious that a moment's mutiny had already rendered me liable to strange penalties, and, like any other rebel slave, i felt resolved, in my desperation, to go all lengths." what is meant by the term resolved as it is used in this sentence? a) determined b) questioning c) uneasy d) unsure

Ihave no idea what the explanation is.