North Korea is considered one of the most secretive and isolated countries. Relations between Russia and North Korea have been flourishing, with North Korea supplying ammunition and troops to support Russia's war against Ukraine in return for economic and military assistance. Key points and original sources are listed below.

• North Korea is considered one of the most secretive and isolated countries.S1

• Relations between Russia and North Korea have been flourishing, with North Korea supplying ammunition and troops to support Russia's war against Ukraine in return for economic and military assistance.S2