URBAN EXPANSION – CITIES LAST QUARTER – NINETEENTH CENTURY MODERNIZATION URBAN SPACES – CENTRAL SPACES OF THE CITY PLAZAS – CENTRAL SQUARE – PLAZA DE ARMAS SOCIAL SPACES – PLACES OF SOCIAL ACTIVITY, ASSERTION OF SOCIAL IDENTITY DISPLAY OF CONSUMPTION AND LEISURE ACTIVITIES FOR THE S0CALLED GENTE DECENTE GENTE DECENTE – INCLUDED POLITICAL ELITE, URBAN LANDOWNER, COMMERCIAL (MERCHANT) ELITE AND ASPIRING MIDDLE AND PROFESSIONAL CLASSES EDUCATED SOCIAL GROUPS PUBLIC SPACES – SQUARES, PLAZAS, GREEN SPACES OF THE CITY, PORTALES – CENTRAL ARCH-COVERED WALKWAYS – DESIRED LOCATIONS FOR VENDORS REFLECTED THE MATERIAL IMPROVEMENTS OF THE CITY URBAN DECISIONS MADE BY THE AUTHORITIES BOULEVARDS, WIDER STREETS REGULATION OF PUBLIC AREAS POLICE FORCES NIGHT GUARDS STREET LIGHTS MUNICIPAL SANITARY POLICE – STREET CLEANERS AND GARBAGE COLLECTORS