It increased because of the industrial era<span />
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A political effect of the enlightenment was some monarchs embraced new ideas from the movement.
Enlightenment principles held that the people should be in control of their own government.
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Technology has allowed us to go from records, to cassette tapes, to CDs, and from CDs, now we have the most common .MP3 file type, which we can store on many of our devices. Not to mention the internet and websites such as You Tube, Sound cloud, Spo ti fy, etc. has allowed music to be shared in many ways!
The British used the idea of imperialism to to promote enlistment during the war by implying that if Britain lost, her empire would be lost as well.