The Gothic element there is the horror that ensues after he hears the tapping. The character is alone during a spooky, dreary night, nobody found anywhere, and suddenly there is a mysterious tapping by someone, and it turns out that no-one tapped, which means either madness or ghosts, that are either way both elements of Gothic writing.
Fallout shelters are still someone in use but not for the purposes of nuclear fallout, only severe storms, etc. Th Interstate Highway System is the best choice from this list.
Answer B: They viewed them as property rather than as people
The Middle Passage was the stage of the triangular trade in which millions of Africans were forcibly transported to the New World as part of the Atlantic slave trade. Ships departed Europe for African markets with manufactured goods, which were traded for purchased or kidnapped Africans, who were transported across the Atlantic as slaves; the slaves were then sold or traded for raw materials, which would be transported back to Europe to complete the voyage. Voyages on the Middle Passage were large financial undertakings, generally organized by companies or groups of investors rather than individuals
Slaves' treatment was horrific because the captured African men and women were considered less than human; they were "cargo", or "goods", and treated as such; they were transported for marketing.
A) it was the home of the emperor and his family
