prior to 19th century ottoman empire main rival was
prior to 19th century ottoman empire main rival was
19ویں صدی سے قبل سلطنت عثمانیہ کا سب سے بڑا حریف تھا۔
Explanation
During a long period of peace from 1740 to 1768, the Ottoman military system fell behind that of its European rivals, the Habsburg and Russian empires.
The Ottomans consequently suffered severe military defeats in the late 18th and early 19th centuries.