जनसंख्या की दृष्टि से दक्षिण अमेरिका महादेश का सबसे बड़ा नगर कौन सा है?

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?