WORLD HISTORY

Detailed explanation-1: -The Non-cooperation movement was a political campaign launched on 4 September 1920, by Mahatma Gandhi to have Indians revoke their cooperation from the British government, with the aim of persuading them to grant self-governance.

Detailed explanation-2: -Indian National Congress Session was held in September 1920 in Kolkata.

Detailed explanation-3: -Answer: The key non-cooperation agreements were negotiated at the Nagpur Session of Congress in December 1920. A programme was launched to encourage the preservation of Hindu-Muslim unity and strict nonviolence, as well as to boycott schools, courts, and councils, as well as to boycott international goods.