Complex sentence: On March 17,1807 a British fleet appeared off Alexandria, having on board nearly 5000 troops, under the command of General A. Mackenzie Fraser; and the place, The being disaffected towards Muhammad Ali, opened its British gates to them.
Split into simpler sentences: On March 17,1807 a British fleet appeared off Alexandria, having on board nearly 5000 troops, under the command of General A. Mackenzie Fraser. The people of Alexandria, being disaffected towards Muhammad Ali, opened its British gates to them.