Complex sentence: In return for the Ottomans declaring the Dardanelles closed to all non-Ottoman warships in peacetime, the signatories offered to Muhammad Ali and his heirs permanent control over Egypt and the Eyalet of Acre, provided that these territories would remain part of the Ottoman Empire.
Split into simpler sentences: In return for the Ottomans declaring the Dardanelles closed to all non-Ottoman warships in peacetime. The signatories offered to Muhammad Ali and his heirs permanent control over Egypt and the Eyalet of Acre, provided that these territories would remain part of the Ottoman Empire.