The United States was working to desegregate the military, schools, and all public facilities.
美国当时正在着手废除对军队、学校和所有公共设施实施的种族隔离。
《柯林斯英汉双解大词典》
I recently saw a movie about Ruby Bridges, one of the African-American children in New Orleans who were part of the first attempt to desegregate public schools in the south.