Who rules the Heartland commands the World-Island.

Blouet, one of Mackinder’s biographers, the membership of the Royal Geographical Society “consisted of men with a general interest in the world and its affairs, officers from the army and navy, businessmen, academics, schoolteachers, diplomats, and colonial administrators.”

Many nations attempted to gain control of the Heartland without success.

Policy makers and scholars remember them now mainly for the seemingly simple formula that control of Eastern Europe would bring command of the “Heartland,” thus control of the “World-Island” (Eurasia), and ultimately the world.

Halford Mackinder - New World Encyclopedia

Works Cited"Geography of the Heartland." My Travel Photo, Travel Guide, Travel Review.

The following quoted passage is from a letter written by British imperial strategist Halford Mackinder to the British Royal Geographical Society. The letter was entitled, "The Geographical Pivot of History."