The effective military and bureaucratic structures of the previous century came under strain during a protracted period of misrule by weak Sultans. The Ottomans gradually fell behind the <answer>Europe</answer>ans in military technology as the innovation that fed the Empire's forceful expansion became stifled by growing religious and intellectual conservatism. But in spite of these difficulties, the Empire remained a major expansionist power until the Battle of Vienna in 1683, which marked the end of Ottoman expansion into <answer>Europe</answer>.
The empire ceased its expansion into what area after a battle in 1683?
Europe