No
Russia's GDP per capita is on par with South Korea and their military is 2 decades behind America and Western Europe. They are a has been looking desperately to cling to a semblance of relevance and are wholly incapable of fighting a drawn out global conflict in which they are opps d by multiple other powers. And no matter what anyone says nobody in the west is sending anyone to die on behalf of the Ukraine.
China is a house of cards, it's economy is built almost entirely on the backs of other economies and it's age/sex demographics make social collapse over the next two generations inevitable almost regardless of anything else. Any conflict that involves most or all of the western powers withdrawing economic interaction with them would cause their economic and political structure to collapse in a few months, and it would quickly devolve into a Revolution of the masses. The CCP leaders know this and is ant to avoid this at all costs. They will continue to use low key subversive tactics while trying to figure out a way to stave off societal collapse due to their social policies.
A true hot global conflict, if it occurs, will be kicked off by someone else doing something crazy like Iran aggressively going after Israel.
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