Nato exercises
Romanian Army Piranha IIIH MRV is seen in action during a military high-intensity training session of Anaconda 23 at Nowa Deba training ground, on May 6, 2023, in Nowa Deba, Poland.
  • Politicians say Russia poses the gravest threat to European security since World War II. 
  • But Russia is weakened by the Ukraine war and is in no position to attack NATO, experts say.
  • Instead, the Russian president wants to weaken and undermine NATO from within, analysts believe. 

The era of relative peace and prosperity the West has enjoyed since the end of World War II may fast be coming to an end.

In March, Poland's Prime Minister, Donald Tusk, said Europe was in a "pre-war" era and that Russia must not defeat Ukraine for the security of the continent.