The celebrated American black woman writer Alice Walker's writing is focused on the black Americans' racial problem.

美国著名黑人女作家艾丽斯·沃克创作的焦点是美国黑人种族问题。

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Up till now, most of the research and studies on American racial problem can be divided into two categories: historical and sociological.

综合国内及美国本土学者的研究成果，我们大致可以将美国的种族问题研究划分为历史研究和社会学研究两大类。

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South African youth also find itself burdened with the problem of racial co-existence.

BBC: Young turn their back on politics

The problem is a disproportionate effect on racial minorities, particularly African-Americans and Latinos.

NPR: NAACP Seeks a Moratorium on Sub-prime Foreclosures

And politicians believe that every problem in society, from religious and racial segregation to obesity and laziness, has a solution involving schools.

ECONOMIST: Using scarce head teachers more wisely