19 Why did President Franklin Roosevelt call December 7, 1941, "a date that will live in infamy?"
It was the date of the dropping of the first atomic bomb
It was the date that the U. S. government first learned about the Nazi Holocaust
It was the date of the Japanese sneak attack on Pearl Harbor
It was the date of the defeat of U. S. forces at Normandy

Which of the following describes an effect of world war ll on the united states economy a. automobile companies produced a record number of cars b. many factories had to expand to produce military equipment c. the airplane industry suffered as the allies began using airplanes in combat d.cities with shipyards declined because so many ships had been sent overseas.