Complex sentence: The Spanish Royal Army of 100,000 men found itself paralysed; it was under-equipped; for instance its 26 cavalry regiments of 15,000 men possessed only 9,000 horses.
Split into simpler sentences: The Spanish Royal Army of 100,000 men found itself paralysed. It was under-equipped; for instance its 26 cavalry regiments of 15,000 men possessed only 9,000 horses.