He was not surprised because he was already going insane. Since he was hallucinating that the raven was spouting words at him. He was already ill to begin with so it was not a surprise he thought the raven spoke.
Answer:
Homeostasis is the most similar.
Explanation:
Stability: State of being stable.
"the difficulty that both Chinese and Japanese immigrants face when they try to pass the immigration stations during that period is : Chinese and Japanese immigrants were restricted by law from entering united states"
"This was known as the exclusion act. The main purpose of this policy was to protect the job opportunities from the united states citizen that being threaten by the availability of cheap immigrant workers"
