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A Contagion of Division

A Contagion of Division by Dr. Sam Goldstein

How Hate Evolved, Expanded, and Came to Define the Modern Social Landscape

Hate is one of the most powerful emotions humans experience. In the modern world, hate no longer feels contained. It moves through societies with a persistence that resembles contagion, shaping thought, language, and behavior in ways that are both visible and subtle. Scholars across psychology, sociology, and linguistics agree that hate is not a simple feeling but a layered construct, emerging from fear, anger, identity, and learned beliefs. It develops gradually, reinforced by repeated exposure to threats and social divisions rather than appearing suddenly or without cause (Ervin Staub, 2005). What has changed is not its nature but its reach. Hate now appears less like an isolated reaction and more like an enduring condition that resists easy resolution.

At the same time, its normalization has made it easier for individuals and groups to justify actions that would once have been widely condemned. When hate becomes embedded in everyday narratives, it reframes harmful behavior as necessary, defensive, or even righteous. Egregious acts, whether they take the form of violence, discrimination, or systemic exclusion, are often rationalized through language that casts others as threats or as less deserving of empathy. This process dulls moral resistance and allows people to distance themselves from the consequences of their actions by blaming the targets of that hate. Over time, the line between justification and accountability weakens, making it increasingly difficult for societies to challenge wrongdoing without first confronting the deeper emotional and social roots that sustain it.

Why Do We Hate?

Hate is not a single emotion. It comprises fear, anger, disgust, and hostility, bound together by cognitive judgments about others (Garaigordobil, 2014). Those components do not arise in isolation. They are activated when individuals or groups perceive a threat, whether physical, economic, or symbolic. Over time, repeated exposure to such perceptions transforms temporary reactions into stable attitudes.

Mental functioning plays a central role. People instinctively categorize the world into groups, a process that simplifies complexity but additionally fosters division. Once these categories harden into "us" and "them," the conditions for hatred intensify. Dehumanization becomes easier, and empathy erodes. Others are no longer seen as individuals but as representations of difference or danger.

Hate also offers something psychologically seductive. It provides clarity during periods of doubt and channels frustration toward identifiable targets. As Brudholm (2020) argues, hate can create a sense of order in an otherwise confusing world. This function helps explain why hate persists even when destructive. It is not only learned; in some contexts, it is also emotionally rewarding. That combination makes it especially difficult to dismantle.

What are the Origins of the Word and the Emotion?

The word "hate" derives from Old English hatian, meaning intense aversion or hostility. Linguistic research shows that similar concepts appear across Indo-European languages, indicating that the idea of hate is deeply embedded in human communication (Boichuk, 2014). Over time, the term has evolved, becoming more morally charged and socially significant as cultural understandings of emotion have developed (Tissari, 2017).

The emotion itself likely has evolutionary origins. Early humans depended on rapid affective reactions to navigate threats, and hate may have appeared as a prolonged form of anger and fear directed at perceived enemies. Unlike momentary anger, hate endures. It shapes perception, memory, and behavior over long periods (Pretus et al., 2023). This persistence may once have served survival, but in current situations it often sustains conflict long after present threats have disappeared.

Cultural context further shapes how hate is expressed and understood. Emotions are not purely internal experiences; they are formed by social norms, ethical structures, and historical conditions (Shweder et al., 2008). In some societies, hate is suppressed or redirected, whereas in others it is amplified through collective narratives. These variations show that although the capacity for hate is universal, its expression is profoundly determined by the environment.

How is Hate Impacting All Walks of Society Today?

In contemporary society, hate operates on multiple levels. It appears in overt acts such as violence and discrimination, as well as in subtler forms—biases, stereotypes, and segregationist practices that shape routine interactions. Research on hate crimes shows that when group identities are emphasized and reinforced, hostility can escalate rapidly, often with serious consequences (Wright, 2016).

Digital environments have intensified this pattern. Emotions now spread quickly across networks, amplified by repetition and visibility. Hate no longer requires proximity; it spreads through language, images, and shared narratives, reaching audiences far beyond its point of origin. This acceleration contributes to normalization. What once might have been considered extreme can, through repetition, become familiar.

At the structural level, hate influences institutions and systems. It affects access to opportunities, shapes policy decisions, and sustains inequalities. Social psychology highlights how even subtle prejudices can accumulate over time, forming environments in which exclusion becomes embedded rather than explicit (Ellis & Tucker, 2015). This makes hate not only an interpersonal issue but also a systemic one.

Attempts to address hate do exist. Research suggests that education, dialogue, and meaningful intergroup contact can reduce hostility and build empathy (Shafiq, 2024). However, these techniques usually operate on a smaller scale than the forces that sustain division. Hate adapts, finding new channels and expressions, making efforts to contain it more complicated.

The present moment reveals a difficult reality. Hate is firmly established, widely distributed, and continuously reinforced. It behaves less like a temporary disturbance and more like a persistent condition in social life. There is no single cure, no intervention that can fully eliminate it. Yet this does not render the response meaningless. Hate is sustained by human choices and can be challenged by them as well.

Understanding the origins of hate does not resolve it, but it clarifies the stakes. It shows how an ancient emotional capacity has become linked to modern systems and technologies, amplifying its reach. It also highlights a central tension. The same human traits that give rise to hate, such as emotion, identity, and belief, also have the potential for empathy, connection, and change. The trajectory is not fixed, but altering it requires sustained effort in a context where division is often easier than understanding. If this trend continues unchecked, the consequences will not remain isolated or abstract. A culture that normalizes hate begins to erode its own foundations, weakening trust, fragmenting communities, and making extreme actions easier to justify. Over time, the damage compounds. What starts as rhetoric can become policy, and policy can shape lives in irreversible ways. Without deliberate resistance, hate does not simply persist. It expands, and in doing so, it threatens the stability of the very societies that sustain it.

References

Boichuk, I. (2014). The concept of hate/hatred and its wording in English, Russian and French. The Advanced Science Journal. https://www.researchgate.net/publication/314724122

Brudholm, T. (2020). What is hate? https://psycnet.apa.org/record/2020-30965-003

Ellis, D., & Tucker, I. (2015). Social psychology of emotion. https://www.torrossa.com

Garaigordobil, M. (2014). Psychology of hatred and violence: Definition, explanatory theories, cognitive-emotional factors and prevention strategies. https://psycnet.apa.org/record/2014-34536-003

Pretus, C., Ray, J. L., Granot, Y., Cunningham, W. A., & Van Bavel, J. J. (2023). The psychology of hate: Moral concerns differentiate hate from dislike. European Journal of Social Psychology. https://doi.org/10.1002/ejsp.2906

Shafiq, S. (2024). A systematic review on how to address hatred in its various manifestations: Understand its different aspects, use different tools and specific interventions. Global Psychiatry Archives. https://globalpsychiatryarchives.com/index.php/gpa/article/view/15

Shweder, R. A., Haidt, J., Horton, R., & Joseph, C. (2008). The cultural psychology of the emotions. In M. Lewis, J. M. Haviland-Jones, & L. F. Barrett (Eds.), Handbook of emotions. https://www.academia.edu/download/30741880/Handbook-of-Emotions.pdf

Staub, E. (2005). The origins and evolution of hate, with notes on prevention. https://psycnet.apa.org/record/2004-22194-003

Tissari, H. (2017). Current emotion research in English linguistics: Words for emotions in the history of English. Emotion Review. https://doi.org/10.1177/1754073916632064

Wright, Z. (2016). Hate crimes: Clarification from emotion theory and psychological research. Journal of Islamic and Near Eastern Law, 15(1). https://escholarship.org/content/qt0263145v/qt0263145v.pdf