sentences:  After two more years of fighting, this war was concluded without many Swedish concessions in the Treaty of Stettin (1570).During the following years he successfully fought Russia in the Livonian War, concluded by the Treaty of Plussa in 1583, a war that meant a Swedish reconquest of Narva.As a whole his foreign policy was affected by his connection to Poland of which country his son Sigismund III Vasa was made king in 1587.