Complex sentence: The development of the warrant officer system began in 1040 when five English ports began furnishing warships to King Edward the Confessor in exchange for certain privileges, they also furnished crews whose officers were the Master, Boatswain, Carpenter and Cook.
Split into simpler sentences: The development of the warrant officer system began in 1040 when five English ports began furnishing warships to King Edward the Confessor in exchange for certain privileges. They also furnished crews whose officers were the Master, Boatswain, Carpenter and Cook.