Even though countless numbers of people died during the Christian Crusades, there were many positive effects for both the East and the West. After the Crusades halted, various trade routes opened up between Eastern and Western cities. Also, the Muslims developed new military strategies and techniques during the fights with the Europeans, and they united themselves against one cause, producing a stronger religious nation (Encyclopædia Britannica, 1993). Numerous effects of the Christian Crusades in the Middle East had a positive outcome.

In John Child's book, The Crusades, he quotes J. Kerr as claiming that the "most obvious result of the crusades" was a growth in "trade with the east". According to a 1996 AP article printed in the Jerusalem Post, the English word "sugar" comes from the Arabic "sukkar", and "scallion" comes from "Ascalon", a Philistine city. Trade extended from England to the Black Sea, going through the ports of Beirut, Acre and Alexandria. After the loss of Acre in 1291, Cyprus, Rhodes and Crete were the three Mediterranean islands that composed some of the main crusader trading centers. From these three islands it was possible to control goods

The emergence of systems thinking was a profound revolution in the history of Western scientific thought . The belief that in every complex system the behavior of the whole can be understood entirely from the properties of its parts is central to the Cartesian paradigm. This was Descartes's celebrated method of analytic thinking, which has been an essential characteristic of modern scientific thought. In the analytic, or reductionist, approach, the parts themselves cannot be analyzed any further, except by reducing them to still smaller parts . Indeed, Western science has been progressing in that way, and at each step there has been a level of fundamental constituents that could not be analyzed any further.

' ships traveling to and from the Middle East (Child, 1994).

If I have seen further it is because I have stood on the shoulders of giants.

Some common words found in the essay are:
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