Complex sentence: A fleet of 100 transport ships, protected by 15 war vessels, carried 9,000 men under command of the Marquis of Lede sailed from Barcelona to Sardinia, which was subdued by November 1717.
Split into simpler sentences: A fleet of 100 transport ships, protected by 15 warships, carried 9,000 men under command of the Marquis of Lede was assembled. It sailed from Barcelona to Sardinia, which was subdued by November 1717.