Explanation:

Both (a) and(c)

The strategy of DIvide and Rule was adopted by Lord Minto. The British Government anticipating danger from the side of Indians in near future because of the growth of unity under the spell of nationalism decided to apply the policy of ' Divide and Rule' to break the unity of the people. Lord Minto decided to use the Indian Muslims against the Hindus and against the Congress.

Hindus were outraged at what they saw as a "divide and rule" policy (gaining and maintaining power by breaking up larger concentrations of power into pieces), even though Curzon stressed it would produce administrative efficiency.