Ask this question again, you're going to need a more specific time the president has done this. however, if you are asking about WWI, the USS Lusitania, the Zimmerman Telegram, German U Boats targeting American ships, and so on.
Archaeologists have excavated different regions with findings of very early agriculture.
Answer:
"Yesterday December 7 1941 a date wich will live in infamy the United States of America was suddenly and delibertly attacked by naval and air fores of the Empire of Japan"
Explanation:
He states that Japan attacked on purpose and that this attack is a serious one that the United States will remember forever. By calling out Japan this way he is showing support for the US to go to war with Japan.
