In central Asia farming is most common in the

Grain crops, chiefly wheat, are cultivated in North China—where soybeans are also grown—and in Japan. Barley is grown in China and India, among other countries. Corn (maize) is raised in China, Siberia, Central Asia, India, the Philippines, Thailand, North Korea, and other countries.

Explanation:go to Asia Britannica and then you might get your answer if this didnt help

answer; collective security;