1. I. C ONTRAST IN TERRITORIAL ORGANISATION North-East (manufacturing belt), industrial and decisional core TheSun Belt, high technologies, attractive centers, former periphery Major cores of the Sun belt dedicated to high techs Great Plains, agribusiness and heart of agriculture The West and Alaska, exploited peripheries A TLANTIC O CEAN P ACIFIC OCEAN M EXICO C ANADA H AWAÏ A LASKA F LORIDA T EXAS C ALIFORNIA G ULF OF M EXICO

2. A TLANTIC OCEAN P ACIFIC OCEAN M EXICO C ANADA H AWAÏ A LASKA F LORIDA T EXAS G ULF OF M EXICO Main transportation networks, connecting the country to the main urban core Main river networks connecting to the Northeastern range and the Saint Lawrence seaway II. M AJOR HUBS AND NETWORKS BASES OF THE TERRITORIAL STRUCTURE Major metropolises Megalopolis, the heart of the American hard and soft powers Detroit Denver Seattle San Francisco Las Vegas Dallas Houston Atlanta Miami Boston C ALIFORNIA Washington Philadelphia New York Chicago Los Angeles

3. A TLANTIC OCEAN P ACIFIC OCEAN M EXICO C ANADA H AWAÏ A LASKA F LORIDA T EXAS G ULF OF MEXICO Denver Seattle San Francisco Las Vegas Dallas Houston Atlanta Miami Boston C ALIFORNIA Washington Main continental interfaces linked to NAFTA Main Migratory flows, the US from Eldorado to Brain Drain Oil exploitation, US sel-sufficency III. T ERRITORIAL DYNAMICS INFLUENCED BY GLOBALISATION Global cities Main maritime seaboards and interfaces New York Los Angeles Philadelphia Detroit Chicago Main street America Mexamerica