Final answer:
Stoicism is the new school of philosophy that was created in the Hellenistic world, emphasizing reason and self-discipline emotional control.
Step-by-step explanation:
The new school of philosophy that was created in the Hellenistic world, emphasizing reason and self-discipline emotional control, is Stoicism. Stoicism taught that the universe was governed by divine reason (Logos) and that happiness resulted from learning how to cope with life and accepting fate while avoiding extreme negative emotions such as fear and anger. The Stoics believed in rational self-control above everything else, valuing inner freedom and tranquility.