Explain why Gandhi uses the phrase "mad risk" (line 47) to describe his pursuit of nonviolence. Use details from the letter to support your explanation.

Gandhi used the phrase "mad risk" in Line 47 because he was planning to start a "non-violence" protest (civil disobedience) regarding the issue about "salt tax." "Non-violence" protest doesn't have a clear efficacy when it comes to creating change. So, this makes the risk a mad one. However, Gandhi believes in it as he said, "Having an unquestioning and  immovable faith in the efficacy of non-violence..."  

Explanation:

Gandhi wrote a letter to the Viceroy in order to let him know that the "salt tax" was unfair to the people of India. On behalf of the Indian people, Gandhi wanted the Viceroy to know that if he doesn't do anything to stop the salt tax, Gandhi, his followers and other people will be doing a non-violent protest in order to resist the tax and the monopoly of the British people on the Indian salt.

The "Salt March" was a long march which lasted 24 days. It was a 10-mile daily march towards Dandi. At the end of the march, Gandhi pinched a salt from the shoreline.

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