Need Help ASAP please. Commonlit: 'Day of Infamy' speech

How does the anecdote about the Japanese ambassador contribute to the central ideas of the text?

He opens his speech with a sentence referring to “a date which will live in infamy" to grab his audience's attention. Explanation: The anecdote about the Japanese ambassador is important for the idea of the Day of Infamy as it points out the nature of the happenings in the Pearl Harbour.

monarchy doesn’t have to have the hereditary element. there have been elective monarchies in the past where you choose your king-for-life and when he dies elect someone else for the job.

yes i think there would be volunteers