Just thought I'd pose the question here: After the Battle of Narva, Charles XII had beaten the Russians so badly that Peter the Great made overtures of peace, which Charles declined. Ultimately, his continuing the war against Russia led to Sweden's long-term defeat and ended the Swedish Empire as a major power.
Question is: what if he'd accepted Peter the Great's overtures, and agreed to a peace deal? Could this have allowed the Swedish Empire to last longer as a major power, or would there just have been another war (or wars) a few years down the line?