Six years for a country holding back the allies is not "that long" - and 6 years more since they came into power? And as a government they'd still be in power

Six years for a country holding back the allies is not "that long" - and 6 years more since they came into power? And as a government they'd still be in power 20 and 30 years later if they didn't start the war (judging from Franco's spain).