Which of the following did not contribute to the collapse of India to British trade powers? a. Hindu-Islam conflicts c. Years of civil war b. Weak Indian rulers d. Declining spice supplies

I would say B. Because the europeans needed the civil war so they could stop the mughal empire advance. They had plenty of spice as it was the main trade of the mughal empire. A is what the civil war was about making b the only suitable answer.