Answer:
A conflict involves a struggle. In the case of an internal conflict one character is experiencing a struggle between two desires or emotions, it's a psychological conflict, a fight inside between good and evil, virtue and vice. All this causes a lack of action and a mental agony. A external conflict involves another character, society and nature.
Step-by-step explanation:
Internal conflict is the opposite of external conflict, which occurs when a character faces outside oppositional forces, such as another character or an act of nature. Sometimes referred to as man vs. self, internal conflicts involve the character experiencing opposing needs, desires or values.