Freedom fighters in Karnataka used various methods to challenge British rule, including:

Protests
Boycotts
Underground activities
All of the above

The correct answer is D) All of the above.

Freedom fighters in Karnataka used various methods to challenge British rule, including protests, boycotts, and underground activities.

  • Protests were a common form of resistance, and often involved large crowds of people gathering to demand change. Some of the most famous protests in Karnataka include the Dharwar Satyagraha of 1920 and the Bangalore Riots of 1930.
  • Boycotts were another effective way to challenge British rule. People would refuse to buy British goods or services, which put pressure on the British economy. The most famous boycott in Karnataka was the Salt Satyagraha of 1930, led by Mahatma Gandhi.
  • Underground activities were also used by freedom fighters to evade British authorities. These activities included smuggling weapons and supplies, printing propaganda, and carrying out acts of sabotage. Some of the most famous underground activists in Karnataka include K.B. Hedgewar and T. Prakasam.

The freedom fighters of Karnataka played a vital role in the struggle for Indian independence. Their courage and determination helped to bring about the end of British rule and the establishment of a free India.