Yesterday, December 7th, 1941 -- a date which will live in infamy -- the United States of America was suddenly and deliberately attacked by naval and air forces of the Empire of Japan.
The passage above is how President Roosevelt opened his speech. Why would this date “live in infamy” as described in the rest of his speech?
a.
It is the date the U.S. declared war against Japan.
b.
It is the date the Holocaust ended.
c.
It is the date he took office as President of the United States.
d.
It is the date the U.S. was suddenly attacked by Japan for no reason.

(A is incorrect)