Question: Along with Taiwan, what empire was Korea considered to be apart of?

Is "In 1937, the colonial Governor-General, General Jiro Minami, commanded the attempted cultural assimilation of Korea's 23.5 million people by banning the use and study of Korean language, literature, and culture, to be replaced with that of mandatory use and study of their Japanese counterparts." the correct answer?
Select from:
A). yes;
B). no;
B).