Correct Option: A

The Champaran Satyagraha of 1917 was Mahatma Gandhi’s first Satyagraha in India. Gandhi took up the cause of hapless indigo peasants under the ‘Tinkathia system’ and waged satyagraha against the European indigo planters. Champaran Satyagraha was the first to be started, but the word Satyagraha was used for the first time in Anti Rowlatt Act agitation.