Complex sentence: The returning soldiers also brought expertise in fortification and trace italliene fortifications were added at Leith, Burntisland and Greenock and they would play a major role in the siege of Edinburgh in 1650.
Split into simpler sentences: The returning soldiers also brought expertise in fortification and trace italliene fortifications were added at Leith, Burntisland and Greenock. They would play a major role in the siege of Edinburgh in 1650.