Complex sentence: The Delaware class was the second of 11 distinct US capital ship designs begun from 1906 to 1919; some 29 battleships and six battlecruisers were laid down during this period, though seven of the battleships and all six of the battlecruisers were cancelled.
Split into simpler sentences: The Delaware class was the second of 11 distinct US capital ship designs begun from 1906 to 1919. Some 29 battleships and six battlecruisers were laid down during this period, though seven of the battleships and all six of the battlecruisers were cancelled.