The correct answer is 3) a, b and c only. Explanation & Key Takeaways: • During the uprising of 1857, several British military officers played crucial roles in suppressing the revolt. • Neill and Havelock were involved in key military operations during the uprising. • Outram and the Lawrence Brothers were also significant figures who contributed to the British efforts during the revolt. • Campbell and Sir Hume Rose were notable military leaders who played vital roles in various battles and strategies against the rebels. • William Digby and Colin Clark were not prominently known for their roles in the 1857 uprising. Related Concepts: • The uprising of 1857, also known as the Indian Rebellion of 1857, was a significant event in Indian history where Indian soldiers, known as sepoys, revolted against the British East India Company's rule. • The rebellion was marked by several fierce battles and led to the end of the Company's rule in India, with the administration of India being taken over by the British Crown.