The following items determine whether a good a service has elastive demand:
C. Availability of substitutes for a good or service
A. If the good is a necessity of luxury.
Answer: a. The War Production Board helped factories quickly shift from only making consumer goods to making war materials.
Explanation:
A key part of the U.S. being able to join the Second World War and contribute so effectively in the time that it did, was the War Production Board's efficiency in shifting American consumer production to war materials for use by the U.S. military and the Allies.
Thanks to the Board, companies shifted their focus from consumer goods even though there was initially some massive pushback. Following a national campaign, opposition subsided and the U.S. was able to pump out so much war material that the war would not have been won without.
Answer:
The problem isn't just that teachers lack experience with remote instruction. For reasons scientists only partially understand, it's demonstrably harder to learn via video than in person. ... But they can't maintain the necessary attentional focus for an entire Zoom class, so learning suffers.
The answer would be A. Determining the date of its creation.