Allies and Enemies of Great Britain And in those earlier years, the general flow is from China to Japan, and oftentimes that occurs—in fact, most of the time—via Korea. Similarly, Japan has few adversaries in the east Asia region, the major one being China. The other countries that has some friction is Korea and Russia. I would briefly touch up on each of them, Top Allies And Enemies Quotes. Japan Japan's Allies and Enemies : JapanFunPreWW1 Several sources claim that China and Russia are the main suppliers of weapons to the military of Myanmar. East Dean Parish Council. North Korea and South Korea are adversaries of Japan. What has kept the tension in check is that they have a common ally that they need for their defence, the USA. The strength of their relationship with the USA is being put to the test however and old habits are hard to break. Croatia (after the fall of Yugoslavia and gaining indepedence in 1941) Finland. ALLIES & ENEMIES As you know, CP Brazil defends its allies and annihilates its enemies.