Complex sentence: In August a general meeting decided to start work on the southern section but construction was delayed by poor labour relations with masons building the bridge over the River Tees at Croft, and after several bridges collapsed the engineer Thomas Storey was replaced by Robert Stephenson.
Split into simpler sentences: In August a general meeting decided to start work on the southern section. Construction was delayed by poor labour relations with masons building the bridge over the River Tees at Croft, and after several bridges collapsed the engineer Thomas Storey was replaced by Robert Stephenson.