Racism is a system of ideas constructed and buttressed by economic and political requirements for inequality. Racism has always existed.
Racism has a history, coming into being with the rise of capitalist nations.
Racism hurts everyone as we are all in the same boat. The way to eradicate racism is to change peoples' minds by appealing to higher moral codes. An injury to one precedes an injury to all, that is, class solidarity, Opposition to racism is a moral issue, that is, racism is wrong because it is unkind or unfair. The key to white opposition to white supremacy is motivation through guilt. The key to opposition to racism is integrated movements striving for democracy and equality.