I believe it was because the government was afraid that they might be spies for Japan, so they thought it was safer to keep them in one place so it would be easier to keep an eye on them. It also stemmed from racism due to the attack on Pearl Harbor and the U.S. fighting against the Japanese in the Pacific.
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.
Answer:
A slave revolt in Haiti saved the United States. ... Not a slave himself, Toussiant nonetheless trained and led the half million African slaves on Haiti to victory after victory, over England and France, for more than a decade. In the process, he kept America free from European domination.
Explanation: