Some of the changes of the eleventh and twelfth centuries included:

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The appearance of the military as a new social class is a notable change from the eleventh and twelfth centuries. This period saw the rise of knights and the militarization of the aristocracy, which significantly impacted the social structure of medieval Europe. Choices A, B, and D describe events or trends that are not accurately associated with the eleventh and twelfth centuries. The Black Death occurred in the 14th century, not the 11th or 12th, and the use of coinage and urban life were actually growing during this time, not diminishing or being abandoned.

Some of the Changes of the Eleventh and Twelfth Centuries