America wants to have world war, why do Russia claims it?

In the wake of the conflict between the two countries, Russia will go to any extent to defeat Ukraine. If Putin's Plan-A fails, then the next level of war 'Plan-B' will kick-off. Defense experts are defining that next level as nuclear war. The question is who will do the nuclear attack first. Russia's claim is that America does not want peace but a world war. After all, what is the logic of Russia behind this claim? Watch this video for more information.