Hegemony can be defined as leadership or dominance, especially by one state or social group over others. This power is in the form of military domination, economic power, political clout and cultural superiority.
Racism is not about how you look, it's about how people assign meaning to how you look. - Robin D. The Race Exhibit, National Museum of Natural History, Washington DC. People assign lesser power or lower class positions to people based on race.