loyalty and allegiance mean faithfulness owed by duty or by a pledge or promise. loyalty is used of a very personal or powerful kind of faithfulness. I felt great loyalty to my teammates. allegiance is used of a duty to something other than a person, especially to a government or idea. I pledge allegiance to the flag.An example of loyalty is how a dog feels about its human.
C. The author uses a simile to compare the feeling of nervousness to melting because the sentence uses the word "like," which is an underlying hint to similes. Without it, it would be a metaphor.