Use of future perfect tense in the first paragraph

Question

I would like to particularly congratulate the person who gave us this piece.  Not only was it enlightening for me, but it was also a perfect B2 listening exercise. Thank you.  Now to my question.  I understand the admonition about the use of present tense to relate a historical story.  How does the use of the future perfect in the first paragraph relate to this?  Were there other choices for this tense?

Accepted Answer

A couple of articles that might help for a start : 
 https://www.lawlessfrench.com/grammar/future-perfect/
 https://www.lawlessfrench.com/grammar/historical-tenses/

Answer

Bonjour Frank,
Thank you very much for your really nice feedback, both about the content of the text and about the recording. I wrote this exercise so I am quite pleased that you found it so interesting. I will pass your comment on to the French language team!
Maarten's links are great! Le Futur Antérieur is used in this way to help "anchor" (bring back) the reader at that specific historical period and to help the reader "visualise" the future events from that moment onwards (compared to Le Présent de narration/historical Present which helps bring life to the events related as if you, the reader, are living it). 
I hope this is helpful.
Bonne journée !