What is to-day a fact of geography 
becomes to-morrow a factor of history. The two sciences cannot be 
held apart without doing violence to both, without dismembering what 
is a natural, vital whole. All historical problems ought to be studied 
geographically and all geographic problems must be studied 
historically. Every map has its date. Those in the Statistical Atlas of the 
United States showing the distribution of population from 1790 to 1890 
embody a mass of history as well as of geography. A map of France or 
the Russian Empire has a long historical perspective; and on the other 
hand, without that map no change of ethnic or political boundary, no 
modification in routes of communication, no system of frontier 
defences or of colonization, no scheme of territorial aggrandizement 
can be understood. 
[Sidenote: Multiplicity of geographic factors.] 
The study of physical environment as a factor in history was 
unfortunately brought into disrepute by extravagant and ill-founded 
generalization, before it became the object of investigation according to 
modern scientific methods. And even to-day principles advanced in the 
name of anthropo-geography are often superficial, inaccurate, based 
upon a body of data too limited as to space and time, or couched in 
terms of unqualified statement which exposes them to criticism or 
refutation. Investigators in this field, moreover, are prone to get a 
squint in their eye that makes them see one geographic factor to the 
exclusion of the rest; whereas it belongs to the very nature of physical 
environment to combine a whole group of influences, working all at the 
same time under the law of the resolution of forces. In this plexus of
influences, some operate in one direction and some in another; now one 
loses its beneficent effect like a medicine long used or a garment 
outgrown; another waxes in power, reinforced by a new geographic 
factor which has been released from dormancy by the expansion of the 
known world, or the progress of invention and of human development. 
[Sidenote: Evolution of geographic relations.] 
These complex geographic influences cannot be analyzed and their 
strength estimated except from the standpoint of evolution. That is one 
reason these half-baked geographic principles rest heavy on our mental 
digestion. They have been formulated without reference to the 
all-important fact that the geographical relations of man, like his social 
and political organization, are subject to the law of development. Just 
as the embryo state found in the primitive Saxon tribe has passed 
through many phases in attaining the political character of the present 
British Empire, so every stage in this maturing growth has been 
accompanied or even preceded by a steady evolution of the geographic 
relations of the English people. 
Owing to the evolution of geographic relations, the physical 
environment favorable to one stage of development may be adverse to 
another, and vice versa. For instance, a small, isolated and protected 
habitat, like that of Egypt, Phoenicia, Crete and Greece, encourages the 
birth and precocious growth of civilization; but later it may cramp 
progress, and lend the stamp of arrested development to a people who 
were once the model for all their little world. Open and wind-swept 
Russia, lacking these small, warm nurseries where Nature could cuddle 
her children, has bred upon its boundless plains a massive, untutored, 
homogeneous folk, fed upon the crumbs of culture that have fallen 
from the richer tables of Europe. But that item of area is a variable 
quantity in the equation. It changes its character at a higher stage of 
cultural development. Consequently, when the Muscovite people, 
instructed by the example of western Europe, shall have grown up 
intellectually, economically and politically to their big territory, its area 
will become a great national asset. Russia will come into its own, heir 
to a long-withheld inheritance. Many of its previous geographic
disadvantages will vanish, like the diseases of childhood, while its 
massive size will dwarf many previous advantages of its European 
neighbors. 
[Sidenote: Evolution of world relations.] 
This evolution of geographic relations applies not only to the local 
environment, but also to the wider world relations of a people. Greeks 
and Syrians, English and Japanese, take a different rank among the 
nations of the earth to-day from that held by their ancestors 2,000 years 
ago, simply because the world relations of civilized peoples have been 
steadily expanding since those far-back days of Tyrian and Athenian 
supremacy. The period of maritime discoveries in the fifteenth and 
sixteenth centuries shifted the foci of the world relations of European 
states from enclosed seas to the rim of the Atlantic. Venice and Genoa 
gave way to Cadiz and Lagos, just as sixteen centuries before Corinth 
and Athens had yielded their ascendency to Rome and Ostia. The keen 
but circumscribed trade of the Baltic, which gave wealth and historical 
preeminence to Lübeck and the other Hanse Towns    
    
		
	
	
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