Correct Answer: (c) knew the ways to defeat the English
Solution:In 1918, Gandhiji had successfully led the strike by mill workers of Ahmedabad, Gujarat. In 1920, during non-violent non-cooperation movement, he boycotted not only foreign goods but also institution like the legislature, judiciary, offices and schools run by the British in India. This instilled the people with enthusiasm. Gandhiji also succeeded in bringing Hindus and Muslims together. Thus, Gandhiji emerged as someone who knew how to defeat the English rulers. Due to this reason, people of Bihar believed that they will finally win in their fight against the British Government.