某些类似物理学定律的东西使种族之间相互分离早在19世纪的南北战争之后,美国的黑人奴隶制度就被取消了,到20世纪50年代,美国最高法院又相继取消限制黑白通婚以及在公共场合实行种族隔离。然而在纽约、芝加哥和美国其他城市,黑人和白人似乎仍然格格不入。依据对美国几乎所有 Something similar to the laws of physics separated races from one another. As early as the Civil War in the 19th century, black slavery in the United States was canceled. By the 1950s, the Supreme Court of the United States again canceled restrictions on black and white intermarriage, Apartheid in public. However, in New York, Chicago and other cities in the United States, blacks and whites seem to be at odds. Basis for the United States Almost all