The key element of Civil Disobedience that was exhibited by Henry David Thoreau in his days was the refusal to pay poll taxes as a way to protest against institutionalized slavery.
Summarized, Gandhi was of the school of thought that protests need not be violent.
In the past 22 years, we witnessed Susan B Anthony who insisted on voting when it was illegal. It was her way of protesting gender discrimination.
The civil disobedience in Eastern Germany in 1953 was also a contributory factor to the cessation of communist government and the decimation of the Berlin wall in 1989.
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