In 1260, the Samogitians, victorious over the Teutonic Knights in the Battle of Durbe, agreed to submit themselves to Mindaugas' rule on the condition that he abandons the Christian religion; the king complied by terminating the emergent conversion of his country, renewed anti-Teutonic warfare (in the struggle for Samogitia) and expanded further his Ruthenian holdings. It is not clear whether this was accompanied by his personal apostasy. Mindaugas thus established the basic tenets of medieval Lithuanian policy: defense against the German Order expansion from the west and north and conquest of Ruthenia in the south and east.