How did geography and natural resources influence the creation of the Persian Empire?
What will be an ideal response?
ANSWER:
The fundamental topographical features of Iran (Persia) are high mountains at the edges, salt deserts in the interior depressions, and mountain streams draining into interior salt lakes and marshes. Ancient Iran never had a dense population. The best-watered and most populous parts of the country lie to the north and west; aridity increases and population decreases as one moves south and east. On the interior plateau, oasis settlements sprang up beside streams or springs. The Great Salt Desert, which covers most of eastern Iran, and Baluchistan in the southeast corner were extremely inhospitable. Scattered settlements in the narrow plains beside the Persian Gulf were cut off from the interior plateau by mountain barriers. In the first millennium B.C.E. irrigation enabled people to move down from the mountain valleys and open the plains to agriculture. To prevent evaporation of precious water in the hot, dry climate, they devised underground irrigation channels. Constructing and maintaining these channels and the vertical shafts that provided access to them was labor-intensive. Normally, local leaders oversaw the expansion of the network in each district. Activity accelerated when a strong central authority organized large numbers of laborers. Even so, human survival depended on a delicate ecological balance, and a buildup of salt in the soil or a falling water table sometimes forced the abandonment of settlements. Iran’s mineral resources—copper, tin, iron, gold, and silver—were exploited on a limited scale in antiquity. Mountain slopes, more heavily wooded than they are now, provided fuel and materials for building and crafts. Because this austere land could not generate much of an agricultural surplus, objects of trade tended to be minerals and crafted goods such as textiles and carpets.
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