What information does Roosevelt submit to Congress in Fireside Chat 19 to help prove the attack was calculated and unprovoked?

In Fireside Chat 19, President Franklin D. Roosevelt presents evidence that the attack on Pearl Harbor was a premeditated act of aggression, citing intercepted communications and intelligence reports that indicated Japan's hostile intentions. He emphasizes the timing and coordination of the strike, which occurred while diplomatic negotiations were still underway, highlighting the duplicity of Japan's actions. Roosevelt's objective is to rally public support for entering World War II by framing the attack as a clear violation of trust and a direct threat to American security.