Which country first implemented the 'Just-In-Time' inventory management system that revolutionized global retail supply chains?

The global retail landscape is shaped by regional innovations in supply chain management. Different countries have contributed unique approaches that transformed how products move from manufacturers to consumers. This poll tests your knowledge of a significant geographic breakthrough that revolutionized retail efficiency worldwide. Understanding the geographic origins of major retail innovations provides valuable insight into how cultural and economic factors influence business practices across borders.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Japan (through Toyota's manufacturing system in the 1970s)
United States (through Walmart's distribution innovation in the 1980s)
Germany (through Aldi's lean inventory model developed in the 1960s)
Sweden (through IKEA's flat-pack logistics system in the 1970s)