With imperialism goes systematic racism. As the capitalists lined up their own workers as cannon fodder in the decades before the First World War they permeated culture with rabid nationalism, militarism and racism. They brought in systematic laws against immigrants and racial minorities. All this is the real legacy of imperialism. But there is an alternative.
Capitalism has nowhere to go after the imperialist epoch.
It will either be overthrown by the workers or it will degenerate into ever more vicious wars, genocides and economic crises. Today that choice can be seen in Bosnia, in Rwanda, in the Horn of Africa. In its own way it was evident in the revolt of the masses in France late last year. To end the horrors of the modern world we need to fight it to the death.