In 1917, for example, the Supreme Court declared unconstitutional an ordinance (a type of law) in Louisville, Kentucky, that required blacks to live in certain sections of the city.

• 举例说明，1917年时，最高法院宣告肯塔基州路易维尔市要求黑人住在城中特定区域的法令(一种法律类型)违宪；