21stcentury eastandwest forecasting forecasts foreignrelations futur globalisierung globalization internationaleconomicrelations internationalepolitik internationalrelations internationellarelationer internationellpolitik mondialisation newyorktimesbestseller nonfiction politics politiqueinternationale prognoser relationsextérieures relationsinternationales relationséconomiquesinternationales twenty-firstcentury unitedstates weltpolitik weltsystem weltwirtschaft worldpolitics zukunft