Complex sentence: As early as 1709 during Queen Anne's War, a stockade (Fort Nicholson) was erected in the area due to its strategic importance-only to be abandoned and then constructed again as Fort Lydus, the trading post of John Lydus.
Split into simpler sentences: As early as 1709 during Queen Anne's War, a stockade (Fort Nicholson) was erected in the area due to its strategic importance. It was later abandoned and then re-constructed as Fort Lydus, the trading post of John Lydus.