Complex sentence: The Dartmouth Commons was an area of land approximately 300 acres set aside by the government in the late 1700s for the settlers common use in Dartmouth Nova Scotia maintained by the Halifax Regional Municipality only a small portion of it remains today.
Split into simpler sentences: The Dartmouth Commons was an approximately 300 acres area of land set aside by the government in the late 1700s for the settlers common use in Dartmouth Nova Scotia. Maintained by the Halifax Regional Municipality only a small portion of it remains today.