It provided unlimited drawn-out emergency actions of prolonged detention, arrest with no trial or review from the judiciary during World War II. This was due to activities from nationalist rebels who might engage in alleged conspiracies while the war was being waged.
Many Indians saw it as an abuse of power because they can arrested without a warrant.
Harthal refers to strikes in workplaces where the workplace is closed by striking employees. Satyagraha is non-violent protest which what Gandhi used. I means insistence of the truth.
Although Nehru and Gandhi were always together there were times when they were at odds with each other. The Salt March was one example because Nehru had doubts but when he saw the potential of it, he changed his mind. Another was when he demanded a complete separation from the British and this was rejected by Gandhi.
