 Complete the following phrase:  The Ottoman naval victory at the Battle of Preveza in 1538 and the Battle of Djerba in 1560 ensured the Ottoman supremacy in the Mediterranean Sea for several decades, until the Ottomans suffered their first ever military defeat at the hands of the Europeans at the Battle of Lepanto 1571. But the defeat at Lepanto, despite being much celebrated in Europe, was only a temporary setback: it could not reverse the Ottoman 