Yet all those regimes are gone. But once you would have been deemed mad if you thought you could challenge those old power structures. Hell, folk were often deemed mad in this land in 1776 when they thought they could challenge the most power regime on earth, the British empire.
Yet the impossible proved possible, and the supposedly insane proved to be the most sane path forward, igniting a revolutionary wave that would eventually bring an end to the old order.
Today, capitalism and (in Mannning Marable's words) the "racist capitalist state" IS the old order.
The Occupy Movement, the current "Moral Mondays" in North Carolina, are just the beginning. We will build or new world and, as Fanon wrote, "try to set afoot a new man."
You said "Of course teh whites with the most power are the ones who would presumably be granting or denying "concessions".---- True.
You said "but for me it's past that, it's time to put them out o business, to create anew society. Perhaps it becomes a question of whether we revolutionaries will grant them concessions".---
Well, left wing revolutionaries do not carry any weight in the United States.
A somewhat move was attempted to change the American System from mid September, 2011 till mid November, 2011. With the Occupy Wall Street protests. The Occupy Wall Street protests failed.
African Americans percentage in the Occupy Wall Street protests.---- Only 1.6%.
I'm sure that a larger percentage of African Americans did support the Occupy Wall Street protests. But, they didn't bother getting involved, because they realised that it would fail.