Silos. Europe is independent. North America is independent. South East Asia is independent. Africa is independent. There are scientific exchanges, humanitarian

Silos. Europe is independent. North America is independent. South East Asia is independent. Africa is independent. There are scientific exchanges, humanitarian aide, artistic exchange, coordination on climate change, and similar, grounded in mutual benefit, but not in mutual interdependence. These can be big or small silos. Aside from off-grid living, villages, towns, or countries can be independent. These can also be complete or incomplete. If the tech tree needed for food and transport is local, it's okay if many luxury goods are global.