Complex sentence: This school of thought for the next 50 years was exclusively technically based the first serious attempt to introduce a sole management body to administer naval service manifested itself in the creation of the Admiralty Navy War Council in 1909.
Split into simpler sentences: This school of thought for the next 50 years was exclusively technically based. The first serious attempt to introduce a sole management body to administer the naval service manifested itself in the creation of the Admiralty Navy War Council in 1909.