Mahatma Gandhi termed the Rowlatt Act of 1919 the ‘Black Law.’ This legislation allowed the British government to imprison any person suspected of “terrorist” activities for up to two years without a trial. Gandhi condemned it as a “negation of all civil rights” and launched the Rowlatt Satyagraha, which eventually became the first nationwide mass protest against British rule in India. ANSWER: (A) Rowlatt Act