In 13 short years Alexander conquered a mere 3,000 miles which stretched from Greece, through the Middle East, and to Central Asia and the Indian subcontinent.
Answer:Making Economic Decisions
Individuals are forced to make trade-offs every time they use their resources in one way and not in another. The cost of making a trade-off is known as opportunity cost—the value of the next best alternative that has to be given up to do the action that is chosen.
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