 Complete the following phrase:  Only two Sultans in this period personally exercised strong political and military control of the Empire: the vigorous Murad IV 16121640 recaptured Yerevan 1635 and Baghdad 1639 from the Safavids and reasserted central authority, albeit during a brief majority reign. Mustafa II 16951703 led the Ottoman counterattack of 169596 against the Habsburgs in Hungary, but was undone at the disastrous defeat at 