White supremacist racism in the United States has been a problem for a long time. As early as in the colonial period, Anglo - Saxon white protestant won the advantage position in the field of politics, society, began in today's America this land system based on white racist policies, long-term massacre, squeezing, persecution, discrimination and attack native American, African, Asian and other ethnic people. When the United States was founded, its leaders said that "all men are created equal," yet they preserved slavery in the constitution adopted in 1789. The history of the United States over the next 200 years is not only a history of white supremacy and racism oppressing other ethnic minorities, but also a history of ethnic minorities' pursuit of equality and freedom.