Complex sentence: He launched a war against Tunis, and leaded the Attacks of Barbary privateers on American ships, an expedition of the US Navy led by Commodore Stephen Decatur in the head of a squadron of nine ships, is conducted in 1815 against the Regency of Algiers.
Split into simpler sentences: He launched a war against Tunis, and lead the Attacks of Barbary privateers on American ships. An expedition of the US Navy led by Commodore Stephen Decatur in command of a squadron of nine ships, was conducted in 1815 against the Regency of Algiers.