No. The US set up the government of South Korea using former Korean administrators from the Japanese Colony of Korea. The Soviet Union set up the government of North Korea using by supporting Korean Communist Rebels that had lived in the Soviet Union and Manchuria during the Japanese Colonial Period.
No.
The neighboring countries of North Korea are South Korea, China, Russia, Japan, and Mongolia.
China and North Korea have poorer economy compare to South Korea and Japan.
Probably if North Korea started a war, USA would go on and help South Korea for they are more friendly and because of similar government. China would help North Korea because of their similar government too. Japan would help South Korea because they are more of a close friend. Not because of a similar government. ---- if North Korea started a war, it would be my guess that USA, Japan, and China will help South Korea because North Korea is trying to send nuclear bombs to USA and other places.
Japan is by China, the coasts of North Korea and South Korea and next to the sea of Japan.
Japan has no bordering countries since it is made of islands. The five closest countries to Japan are (in order) Russia, South Korea, North Korea, China, and Taiwan. North and South Korea, Russia and China.
north korea, japan
All of these three countries, China, Vietnam, and North Korea are COMMUNIST STATES. However, China and Vietnam are properly classified as Leninist Communist States whereas North Korea is a Dynastic Communist State.
Russia, China, North Korea, and South Korea
Japan, China, North and South Korea, India
Korea (both North and South) is between China and Japan.
The four countries closest to Japan are China, Russia, North Korea, and South Korea.
South Korea, North Korea, and thus China