heartland theory
1904 theory that Eurasia is the central store of resources and therefore strategic power on the world stage
en-GB/ˈhɑːtlənd θɪəɹiː/
en-US/ˈhɑɹˌtlænd ˌθiəˌɹi/
1904 theory that Eurasia is the central store of resources and therefore strategic power on the world stage