Complex sentence: The canal's ongoing construction delays were partly responsible for the 1851 decision by Nova Scotia's colonial government to build the Nova Scotia Railway, which built lines from Halifax to Windsor and Truro by 1858.
Split into simpler sentences: The canal's ongoing construction delays were partly responsible for the 1851 decision by Nova Scotia's colonial government to build the Nova Scotia Railway. This system built lines from Halifax to Windsor and Truro by 1858.