Do you mean biography?
If so, it’s important because it shows the lives and backgrounds of creators, famous or not, of things in the arts.
Answer:
If a base word has only one syllable and ends in one consonant, double the final consonant.
Explanation:
"Drop" has one syllable only, and ends with only one consonant.
Explanation:
Because of scarcity there is a need for a rationing device. People will compete for the rationing device. For example if dollar price is the rationing device, people will compete for dollars.