Mainsprings of Civilization |
Contents
THE BACKGROUND OF CIVILIZATION | 13 |
The Supreme Fact 1321 | 27 |
The Background of Civilization | 46 |
Copyright | |
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activity agriculture American animals animistic appears Asia atmospheric atmospheric electricity average Babylonia biological biological inheritance Caspian Sea cent century cities civilization climatic cycles climatic efficiency cold contrast countries crops cultural curve deathrate desert diet diseases effect electrical Encyclopędia Britannica England especially Europe evidence example fact factor favorable Figure Genghiz Khan geographical groups Hakkas heredity human Huntington Iceland increase India indicate influence innate Japan Junkers kind kiths land latitudes less library circulation living maximum mental migration Mongols mountains Nevertheless Newfoundland nomads North northern optimum ozone Parsis percentage period physical environment population produce progress Puritans qualities race rain rainfall regions relatively religion reproduction Russia season seems selection shows similar social solar solar constant South southern New England stimulating storms summer sunspots temperament temperature tend tion tropical United vigor warm weather winter York