Presidential Speech on Pearl Harbor, Pt 5

The transcript discusses the unprovoked attack by Japan on December 7, 1941, leading to a state of war between the United States and the Japanese Empire.

What event is referred to as an unprovoked and dastardly attack?

How did the attack by Japan affect relations with the United States?

On what date did Japan attack, leading to a state of war?

What was the state of war that existed?

Which two entities were involved in the state of war mentioned?