I come here this morning talking about a subject which I am convinced no one alive is really competent to discuss: that is a critical comparison and evaluation of the theories (hypotheses) which have been advanced which had a tendency to hook up the grouping of lands and seas, of resources and climate, and other earth factors, with the distribution of political power in the broad sense—military power in the specific sense—upon the earth's surface.
"Geopolitical Theories Compared,"
Naval War College Review: Vol. 7
, Article 3.
Available at: https://digital-commons.usnwc.edu/nwc-review/vol7/iss1/3