An author's credentials should be checked by their current biography.
In Japanese culture it was unacceptable to lose and losing a war was disgraceful. With this fact, Emperor Hirohito probably committed suicide.
Answer: The Thirteenth Amendment formally abolished slavery in the United States. It was ratified on December 6, 1865. This Amendment abolishes slavery and involuntary servitude, except as punishment for a crime. It also nullified the Fugitive Slave Clause and The Three-Fifth Compromise.