Mindful of overdependence on any single nationality or ethnic group and inclined to play one off against another, however, Khubilai constantly mixed Chinese and foreigners in a diverse set of administrators that included Tibetans, Armenians, Khitan, Arabs, Tajiks, Uighurs, Tangut, Turks, Persians, and Europeans. The Mongols staffed each office with an ethnic quota of the three major groups of northern Chinese, southern Chinese, and foreigners so that each official was surrounded by men of a different culture or religion.
