Why was december 7th, 1941, a "date that will live in infamy"?

What does the term “escalation” refer to?

23. how does specialization among nations encourage interdependence? nations work together to share labor and resources to produce vital goods. nations sign treaties prohibiting taxes on imports. nations produce specific goods and then trade to obtain things they need. nations that are more developed agree to fund development in nations with limited industry.

How is the principle of states rights reflected in the declaration or the articles of confederation