Final answer:
The title of 'Nawab' and a 'Jagir' were granted to the Sikhs by the Mughal authorities in 1733 A.D., an event reflecting the changing political dynamics of the time. The correct option is a.
Step-by-step explanation:
The title of 'Nawab' and a 'Jagir' were presented to the Sikhs by the Mughal authorities in the year 1733 A.D.
This event is significant as it marked a form of recognition and a political agreement between the Mughal rulers and the Sikhs, who had been in conflict with each other, especially during the reign of Aurangzeb, who clashed with Sikhs and executed Guru Tegh Bahadur, the ninth Sikh Guru.
Following the period of Aurangzeb, the Mughal Empire began to weaken, and it was in this context that the Sikhs were granted the title and territory. The correct option is a.