Although the Coca-Cola company denies it (as do some historians), the general consensus is because they are the trademark colors of the company.
.........That, and I think the story,"The Night Before Christmas" mentions Santa wearing a red suit. Santa is basically a composite or Saint Nicholas of Myra (Turkey), "The Night Before Christmas", Coca-Cola & ancient pagan deities like Odin, Baldur & "The Holy King".
The verb in the sentence is: changed
U.k
The hink-pink for a Christmas carol that seems to go on forever is a long-song.
The Civil War
Gunpowder
No, there is a new episode coming on Christmas.
light bulb
sheep
sheep
its forever permanent and nothing can be changed.
long song
Johnny Depp. Originally it was Winona Forever, but he had it changed after they broke up.