Final answer:
The effect of Santiago's death on the temporal framework in the last two chapters of the book is that the time becomes much more confused.
Step-by-step explanation:
The effect of Santiago's death on the temporal framework in the last two chapters of the book is that the time becomes much more confused. The book jumps from revisiting one day to recalling many years after his death. This non-linear narrative creates a sense of disorientation and reflects the long-lasting impact of Santiago's death.