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North Korea's leader Kim Jong Un, standing left, walks with Russian President Vladimir Putin, standing right. In the foreground, directly in front of both of them, are the North Korean and Russian flags, left and right, respectively.
In this pool photograph distributed by the Russian state agency Sputnik, North Korea's leader Kim Jong Un (L) walks with Russian President Vladimir Putin during a welcoming ceremony upon Putin's arrival in Pyongyang.

GAVRIIL GRIGOROV/POOL/AFP via Getty Images

  • Russia and North Korea's historic defense pact last month sent shockwaves through global politics.
  • South Korea responded by suggesting it could go all-in on supporting Ukraine with weapons.
  • Putin threatened to flood North Korea with nuclear capabilities, missile tech, and more.

Russia and North Korea's newfound friendship has left key US ally South Korea in a predicament with few good options.

Tags
Military & Defense, Defense, Russia, north-korea, Putin, south-korea, Analysis
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Putin and Kim Jong Un are getting alarmingly close, and it's put US ally South …