Answer:
246 years
Explanation:
As far as the institution of chattel slavery ; the treatment of slaves as property ; in the United States, if we use 1619 as the beginning and the 1865 Thirteenth Amendment as its end then it lasted 246 years, not 400.
Because he sees Japanese as disease from the outside but the communist is a disease from the inside and need to destroy before becoming an unstoppable force. Also the communist is a blocking of his plan to unify China in one flag to defeat the Japanese forces in the country.
Its really c because it would make more sense with a representative.