I. Contrast in territorial organisation

1. Major cores of the Sun beltdedicated to hightechs Great Plains, agribusiness and heart of agriculture The West and Alaska, exploitedperipheries I. Contrast in territorial organisation North-East (manufacturingbelt), industrial and decisionalcore TheSunBelt, high technologies, attractive centers, former periphery Canada Pacific ocean California Florida Atlantic Ocean Texas Alaska Mexico Gulf of Mexico Hawaï

2. Main transportation networks, connecting the country to the main urbancore Main river networks connecting to the Northeastern range and the Saint Lawrence seaway II. Major hubs and networks bases of the territorial structure Major metropolises Megalopolis, the heart of the American hard and soft powers Canada Seattle Pacific ocean Boston New York Detroit Philadelphia Chicago Washington San Francisco Denver California Las Vegas Los Angeles Atlanta Dallas Florida Atlantic ocean Texas Houston Alaska Miami Mexico Gulf of Mexico Hawaï

3. III. Territorial dynamicsinfluenced by globalisation Global cities Main maritime seaboards and interfaces Main continental interfaces linked to NAFTA Main Migratoryflows, the US from Eldorado to Brain Drain Oil exploitation, US sel-sufficency Canada Seattle Pacific ocean Main streetAmerica Boston New York Detroit Philadelphia Chicago Washington San Francisco Denver California Las Vegas Los Angeles Atlanta Dallas Florida Atlantic ocean Texas Houston Alaska Mexamerica Miami Mexico Gulf of mexico Hawaï