The level of the ground is now varied by the mound raised over those who fell in the battle, but it was an unbroken plain when the Persians encamped on it. There are marshes at each end, which are dry in spring and summer and then offer no obstruction to the horseman, but are commonly flooded with rain and so rendered impracticable for cavalry in the autumn, the time of year at which the action took place.
The Greeks, lying encamped on the mountains, could watch every movement of the Persians on the plain below, while they were enabled completely to mask their own. Miltiades also had, from, his position, the power of giving battle whenever he pleased, or of delaying it at his discretion, unless Datis were to attempt the perilous operation of storming the heights.
If we turn to the map of the Old World, to test the comparative territorial resources of the two states whose armies were now about to come into conflict, the immense preponderance of the material power of the Persian king over that of the Athenian republic is more striking than any similar contrast which history can supply. It has been truly remarked that, in estimating mere areas Attica, containing on its whole surface only seven hundred square miles, shrinks into insignificance if compared with many a baronial fief of the Middle Ages, or many a colonial allotment of modern times. Its antagonist, the Persian, empire, comprised the whole of modern Asiatic and much of modern European Turkey, the modern kingdom of Persia and the countries of modern Georgia, Armenia, Balkh, the Punjaub, Afghanistan, Beloochistan, Egypt and Tripoli.
Nor could a European, in the beginning of the fifth century before our era, look upon this huge accumulation of power beneath the sceptre of a single Asiatic ruler with the indifference with which we now observe on the map the extensive dominions of modern Oriental sovereigns; for, as has been already remarked, before Marathon was fought, the prestige of success and of supposed superiority of race was on the side of the Asiatic against the European. Asia was the original seat of human societies, and long before any trace can be found of the inhabitants of the rest of the world having emerged from the rudest barbarism, we can perceive that mighty and brilliant empires flourished in the Asiatic continent. They appear before us through the twilight of primeval history, dim and indistinct, but massive and majestic, like mountains in the early dawn.
Instead, however, of the infinite variety and restless change which has characterized the institutions and fortunes of European states ever since the commencement of the civilization of our continent, a monotonous uniformity pervades the histories of nearly all Oriental empires, from the most ancient down to the most recent times. They are characterized by the rapidity of their early conquests, by the immense extent of the dominions comprised in them, by the establishment of a satrap or pashaw system of governing the provinces, by an invariable and speedy degeneracy in the princes of the royal house, the effeminate nurslings of the seraglio succeeding to the warrior sovereigns reared in the camp, and by the internal anarchy and insurrections which indicate and accelerate the decline and fall of these unwieldy and ill-organized fabrics of power.
It is also a striking fact that the governments of all the great Asiatic empires have in all ages been absolute despotisms. And Heeren is right in connecting this with another great fact, which is important from its influence both on the political and the social life of Asiatics. "Among all the considerable nations of Inner Asia, the paternal government of every household was corrupted by polygamy: where that custom exists, a good political constitution is impossible. Fathers, being converted into domestic despots, are ready to pay the same abject obedience to their sovereign which they exact from their family and dependents in their domestic economy."
We should bear in mind, also, the inseparable connection between the state religion and all legislation which has always prevailed in the East, and the constant existence of a powerful sacerdotal body, exercising some check, though precarious and irregular, over the throne itself, grasping at all civil administration, claiming the supreme control of education, stereotyping the lines in which literature and science must move, and limiting the extent to which it shall be lawful for the human mind to prosecute its inquiries.
With these general characteristics rightly felt and understood it becomes a comparatively easy task to investigate and appreciate the origin, progress and principles of Oriental empires in general, as well as of the Persian monarchy in particular. And we are thus better enabled to appreciate the repulse which Greece gave to the arms of the East, and to judge of the probable consequences to human civilization, if the Persians had succeeded in bringing Europe under their yoke, as they had already subjugated the fairest portions of the rest of the then known world.
The Greeks, from their geographical position, formed the natural van-guard of European liberty against Persian ambition; and they preëminently displayed the salient points of distinctive national character which have rendered European civilization so far superior to Asiatic. The nations that dwelt in ancient times around and near the northern shores of the Mediterranean Sea were the first in our continent to receive from the East the rudiments of art and literature, and the germs of social and political organizations. Of these nations the Greeks, through their vicinity to Asia Minor, Phoenicia, and Egypt, were among the very foremost in acquiring the principles and habits of civilized life; and they also at once imparted a new and wholly original stamp on all which they received. Thus, in their religion, they received from foreign settlers the names of all their deities and many of their rites, but they discarded the loathsome monstrosities of the Nile, the Orontes, and the Ganges; they nationalized their creed, and their own poets created their beautiful mythology. No sacerdotal caste ever existed in Greece.
So, in their governments, they lived long under hereditary kings, but never endured the permanent establishment of absolute monarchy. Their early kings were constitutional rulers, governing with defined prerogatives. And long before the Persian invasion, the kingly form of government had given way in almost all the Greek states to republican institutions, presenting infinite varieties of the blending or the alternate predominance of the oligarchical and democratical principles. In literature and science the Greek intellect followed no beaten track, and acknowledged no limitary rules. The Greeks thought their subjects boldly out; and the novelty of a speculation invested it in their minds with interest, and not with criminality.