It it awakened general interest in the different arts as medium of expression
The Invention of the printing press in the 15'th century made it possible to mass- produce and circulate a growing volume of reading material. it chaned the way people read, communicated and stored knowledge
Marcus Aurelius changed the military and this change was one of the notable features of his reign. He promoted the army officers and civilians administrators on merit rather than on noble birth. He appointed capable people to posts most suited to their abilities. This way he laid the foundations of social mobility and broadened the recruitment base for armies, allowing for greater future flexibility.
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The Classical Period of music may have given its name as the popular descriptor for all of Western sophisticated instrumental composition, but its actual timeline is relatively short. All of the other delineated musical eras get at least a full century. However, the Classical Era is often cited as the latter half of the eighteenth century. At its longest, the Classical Era ran just seventy to eighty years, ending no later than 1820. Despite the Classical Era's short run, its impact on instrumental music has been enormous.