Complex sentence: However this application was refused, so Wynne had the work of deepening the channel and making it more direct, completed by means of public subscription, this would have been of great benefit to the safe departure of ships full of emigrants heading for America and Canada.
Split into simpler sentences: However this application was refused, so Wynne himself had the task of deepening the channel and making it more direct, completed by means of public subscription. This would have been of great benefit to the safe departure of ships full of emigrants heading for America and Canada.