Black or African American 50.7% 65.8% 71.1% 28.2% 3 U.S Capitol Historically the major economic centre of a state or region often becomes the focal point of political power and becomes a capital through conquest or federation. (The modern capital city has however not always existed: in medieval Western Europe an itinerant (wandering) government was common.) Examples are Ancient Babylon Abbasid Baghdad Ancient Athens Rome Constantinople Chang'an Ancient Cusco Madrid Paris London Moscow Beijing Tokyo Vienna Lisbon and Berlin the capital city naturally attracts politically motivated people and those whose skills are needed for efficient administration of national or imperial governments such as lawyers political scientists bankers journalists and public policy makers Some of these cities are or were also religious centres, e.g Constantinople (more than one religion) Rome (the Roman Catholic Church) Jerusalem (more than one religion) Ancient Babylon Moscow (the Russian Orthodox Church) Belgrade (the Serbian Orthodox Church) Paris and Peking; ; .
; . Further information: Presidents of the United States on U.S postage stamps U.S brig Perry confronting the slave ship Martha off Ambriz on June 6 1850.
Little Havana Medical Center