Explanation:
Thurgood Marshall, who became the first African-American Supreme Court Justice (1967-1991), knocked down legal segregation in America as a civil rights attorney.
They needed more land build homes and start a fresh goverment
The Hans dynasty retains centralized burueacracy and unified political system of the Quin but adopts and grafts upon this the Confucian view that government should be run by educated, ethnical men.