Evaluate the results of the Northern War for each of its participants.

For Russia, they were the most favorable:

Joining the Baltic coast, from Vyborg to Riga.
The emergence of a strong fleet in the Baltic, an increase in the size of the army and artillery. The emergence of military factories, shipyards and metallurgy in the Urals.
Sweden lost part of its territories, but received a huge indemnity from Russia, until 1773 there was a weak royal power in the kingdom.

Rzeczpospolita received nothing, just increased Russia’s influence on it.

Prussia strengthened, Denmark retained its former positions in the Baltic.