Complex sentence: In 133 BCE Attalus III bequeathed the people and territories of Pergamon to Rome, as to a trusted ally and protector, and Rome aquired a new province, renamed as Asia.
Split into simpler sentences: In 133 BCE Attalus III bequeathed the people and territories of Pergamon to Rome, as to a trusted ally and protector. Rome thus aquired a new province, renamed as Asia.