Complex sentence: As a result, from 1673 to 1679 Rupert was able to focus on ensuring a closer regulation of manning, gunning and the selection of officer, and priorities between the different theatres of operations that the British Navy were now involved in around the world.
Split into simpler sentences: As a result, from 1673 to 1679 Rupert was able to focus on ensuring a closer regulation of manning, gunning and the selection of officers. He was also involved in setting priorities between the different theatres of operations that the British Navy were now involved in around the world.