During the Tang dynasty, why did aristocrats continue to hold most government offices?

answer; slavery should be outlawed in the new country, was part of the initial draft of the declaration of independence, but not part of the final

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

general allotment act (dawes act) february 8, 1887

amendment to the dawes act, february 28, 1891

commission to the five civilized tribes (dawes commission), march 3, 1893

people can see all information on a topic and believe it because of technology