1. CONFLICT
Conflict – A struggle between opposing characters or opposing forces.
External Conflict – A struggle between a character with an outside force. Which may be another character, society, or a natural force.
Internal Conflict – A struggle takes place within a character’s own mind. Such as opposing needs, desires, or emotions.

2. It is conflict, or struggle, that gives any story its energy and makes it interesting.
Common conflict:
A conflict between two characters.
A conflict between a character and a group or a whole society.
A conflict between two groups or cultures.
A conflict between a character and a natural force or event, such as a flood or the law of gravity.
A conflict between a character and something in himself or herself: perhaps fear, shyness, homesickness, or an inability to make a decision.