Traveling salesman problem art? I hope that’s what you’re looking for it was developed by Robert Bosch
It is C. a man controlling the universe through technology.
"Queen are a British rock band that formed in London in 1970. Their classic line-up was Freddie Mercury, Brian May, Roger Taylor, and John Deacon."
- Wikipedia (not a very trustworthy source, but this is correct)
Answer:
He betrayed them because he believed they would not hand him the Sword of Gryffindor, after destroying the Cup and other Horcruxes.
Explanation: