First was the priority accorded to the eastern and western fronts. Victories at the Battle of Tannenberg and First Battle of the Masurian Lakes had made Field Marshal Paul von Hindenburg a popular hero and contrasted starkly with the stalemate in the west. Hindenburg and his supporters sought to shift Germany's main effort to the eastern front in hopes of knocking Russia out of the war. Falkenhayn resisted this, believing that France and Great Britain were the true opponents and that a decisive victory against the Russians was impossible.