Final answer:
Queen Victoria was declared empress of India in 1876 and the Mogul Empire fell into decline. The British East India Company took advantage of the weakened Mughal Empire and increased its power in India.
Step-by-step explanation:
Queen Victoria was declared empress of India in 1876. The Mogul Empire, which had been ruled by Mughal rulers, fell into decline. The British East India Company took advantage of the weakened Mughal Empire and increased its power in India, leading to the period of direct British rule known as the British Raj.