Simplify the following text for a Grade 10 native English-speaking person.
Original: Here , after taking part in the Siege of Saragossa , he was named commander of the army of Aragon and governor of that region , which he by wise , unlike that of most of the French generals , and adriot administration no less than by his brilliant valor , in two years brought into complete submission .
Simplified: He was named commander of the army of Aragon and governor of that region , and in two years brought the area into complete submission .