HAMILTON FISH ARMSTRONG, Editor of Foreign Affairs
THE reason the Soviet Union feels confident of attaining its ultimate objectives in Afghanistan is indicated by Sir Isaac Newton's formula: the attraction of one body for another is in proportion to their mass and in inverse proportion to the square of the distance between them. The great landmass of the Soviet Union, frustratingly landlocked along all its southern borders, has a common frontier with Afghanistan 1,458 miles long; the United States, the competing magnet for Afghan friendship, lies on the other side of the world. There can be little doubt as to which pull is, by the laws of nature, stronger.
But the laws of nature can be qualified by human factors, in this case the foresight and calculated self-restraint of the Afghan leaders. Whether these come into play adequately and in time will depend largely on the methods used by the Soviets in pushing toward their ultimate goal. Thus our problem is not so much to identify the goal, which by our reckoning is plain, as to guess how Moscow is planning to attain it. For not only will this determine the attitude of the Afghan leaders toward the Communist and free worlds in the period while they still retain some freedom of choice; it will, in addition, carry tremendous weight with neighboring countries now hesitating whether to be neutral in fact or "neutral on the side of the Soviets."
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A FGHANISTAN is a land-locked and mountain-studded land the size of Texas, with a population estimated perhaps at 12,000,000. The vast majority of its fervent Moslems are primitive farmers or nomads, pursuing ancient patterns of life. The country is bounded on the west by Iran, on the south and east by Pakistan, and on the north by a 900-mile frontier with the U.S.S.R. At the extreme northeastern corner a needle-like corridor stretches as far as Red China, marked out long ago by the British to keep the Russian Empire from direct contact with India.
HISTORY teaches us that the safety of India always has depended to a large extent on the political development and status of the territory north of the Kyber Pass. When Alexander the Great was preparing the most remarkable of his military achievements, the conquest of India, he thoroughly understood that Afghanistan must serve as a base for his army and be the starting point of his campaign. It took him nearly two years to take and fortify the passes of the Hindu Kush Mountains, and to build on their southern side another Alexandria.
The two world wars are the mountain ranges that dominate the historical landscape of the twentieth century. We still live in their shadows, in America as well as in Europe. Only with these wars did European and American history begin to coincide. The revolutions of 1820, 1830, 1848 and the wars leading to the unification of Italy and Germany marked the nineteenth century in European history, while the major events in American history were the westward movement, the Civil War and mass immigration. These events had certain transatlantic connections, yet not decisive ones. But in the twentieth century the two world wars have been the main events in the history of Europe and America as well.

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