To trudge means to "walk slowly and with heavy steps, typically because of exhaustion or harsh conditions."
Does that help?
Answer:
Short Examples of Allusion
His opponent was looking for his Achilles' heel to beat him. The property tycoon named his housing society Eden Garden. The decision of the apex court would certainly open Pandora's Box. His best friend now considered him Brutus due to his recent betrayal.
B. A supporting detail from common knowledge
The adverb is either because it helps describe the sentence more.
