Answer:
Each ethnic group in New Orleans contributed to the very active musical environment in the city, and in this way to the development of early jazz. A well-known example of early ethnic influences significant to the origins of jazz is the African dance and drumming tradition, which was documented in New Orleans.
Answer:
20% of adults suffer from food allergies
Answer:
The word is SPEAKEASY. A speakeasy was a secret bar where alcohol was illegally sold during Prohibition, when this was illegal. Jazz was the genre of music most popular in speakeasies.
If you are asking/wondering if this affected their business(ess) then I would have to say yes. I said yes because it says "Many US restaurant companies struggled to avoid heavy losses." (key word(s) is/are Avoid and Struggled to) which means some of them, including McDonalds probably did avoid this and some other McDonald's didn't avoid this.
(hope I answered this for you and if so I hope I did a good job)