Because a monopoly would end up making someone monopolizing the whole world to a point where no one can buy a business and would allow them to set their prices as high as they want.
Constantinople was able to survive due to its <em>strategic</em> location and <em>sofisticated</em> system of fortifications.
Constantinople was able to survive as the <em>central</em> hub of the European culture throughout the early 1000s due to its strategic location, the city was located in a strait between the Black and Mediterranean Seas, between Europe and Asia, which allowed the city to be prevented from many invaders, from Hunes to Arabs.
In addition, the city counted with a sophisticated system of fortifications which made impossible any attempt of siege until the appearance of first developments on modern artillery in the 15th Century, and the city was well communicated with the most important nations in Eastern and Western Europe by sea (i.e. Italy, Carolingian Empire, Kiev' Rus), of which the city may receive reinforcements in desperate situations.
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Sept. 24, 1957 is such an important date in history because that was the day President Dwight D. Eisenhower ordered<span> units of U.S. Army’s 101st Airborne Division to escort nine black students, nicknamed the </span>"Little Rock Nine,"<span> into the previously all white </span>Central High School in Little Rock Arkansas<span>. </span>
Spices allowed many Europeans to have more time on doing other things then shopping in the market. Spices allowed food to be kept longer, and so Europeans didn't have to shop as much. They also gave flavor to food that were usually bland
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