Answer : 2. "Dandi March"
Explanation :

Answer: B) Dandi March Explanation: In Indian History, Dandi March or Salt Sathyagraha or The Salt March, also known as the Dandi Satyagraha, was an act of nonviolent civil disobedience in colonial India led by Mohandas Karamchand Gandhi to produce salt from the seawater.    It is also called as 'White Flowing River'.