Spoiled and Privileged:
* Wealth and Status: Nellie is the daughter of a wealthy and influential store owner, Nels Oleson. She's accustomed to having her every whim catered to, and this breeds a sense of entitlement and arrogance.
* Lack of Discipline: Her parents, particularly her mother, are overly indulgent and rarely provide real consequences for her actions. This fosters a lack of empathy and respect for others.
Jealousy and Insecurity:
* Competition with Laura: Nellie constantly compares herself to Laura Ingalls, who represents everything Nellie lacks. Laura has a strong, independent spirit, kind heart, and supportive family. Nellie craves these things but feels she can't achieve them on her own.
* Desire for Attention: She often resorts to mean-spirited behavior to gain attention and validate her sense of self-worth. This is especially evident when she tries to undermine Laura's achievements or manipulate situations to her advantage.
* Fear of Being Unloved: There are hints that Nellie's jealousy stems from a deeper insecurity about her own worth. Her parents focus on her outward appearance and material possessions, neglecting her emotional needs. This lack of genuine affection and validation fuels her desire to be superior to others.
Social Dynamics:
* Conformity and Social Hierarchy: The setting of the series, a small town with a strict social hierarchy, amplifies the pressure on Nellie to maintain her family's standing. She uses her privilege to try to control others, even if it means resorting to bullying.
It's important to remember that Nellie is a complex character, and her behavior can be attributed to a combination of these factors. While she is often portrayed as a villain, her character also allows for exploration of themes like envy, insecurity, and the consequences of privilege.