During the 1930s, japan took advantage of china's inner turmoil and annexed which mineral-rich region?
a. tibet
b. manchuria
c. korea
d. mongolia

Japan took advantage of China's inner turmoil and annexed "Manchuria", which was an action that was widely condemned by many western nations and lasted all the way until the end of World War II.

The answer is B. Manchuria. hope this helps.

He sailed off course on his way back to greenland and ended up in north america