It depicts a battle between rival gangs of poor white people — native-born Americans versus Irish immigrants — in the notorious Manhattan slum of Five Points.
Those poor white protesters blamed their misfortunes on the yearning of Black people to be free.
The scene from "Gangs of New York" focused on the roots of that white supremacy: the power of wealth, the advantages of whiteness, and the oppression of Blacks and other people of color.
While many protesters insist Black lives must matter, the only way we can achieve that result is by breaking the cycles of white supremacy.
Greed concentrates white wealth while limiting opportunities not only for people of color, but for most white people as well.
