In India, the forces of nationalism were being organised by the Indian National Congress, led by Mahatma Gandhi and Jawaharlal Nehru. India contributed significantly to victory in the World War, and was bitterly disappointed by the very limited benefits conferred in the Government of India Act 1919. British fears of German wartime plots or postwar Communism following the Ghadar Mutiny ensured that war-time strictures were renewed by the Rowlatt Act of 1919 that suppressed dissent. Tensions escalated particularly in the Punjab region, where repressive measures culminated in the Amritsar Massacre. In Britain public opinion was divided over the morality of the massacre, between those who saw it as having saved India from anarchy, and those who viewed it with revulsion. Gandhi developed the technique of nonviolent resistance, claiming moral superiority over the British use of violence. Multiple negotiations were held in the 1930s, but a strong reactionary movement in Britain, led by Winston Churchill, blocked the adoption of reforms that would satisfy Indian nationalists. Historian Lawrence James states: