I feel like its a . battle hymn of the republic . Its played in lots of military bands .
Doll house,
Jshshsjsjdjjdjsjsjdjd
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)
The answer was D piano. He was a great composer