Final answer:
The terms Sepoy, Raj, Nationalism, and Viceroy are related to British India's history, with Sepoys being Indian soldiers, Raj referring to British rule, Nationalism to the Indian independence effort, and Viceroy to the British monarch's representative.
Step-by-step explanation:
The terms Sepoy, Raj, Nationalism, and Viceroy are crucial in understanding the history of British India. To match the terms with their definitions: a) Sepoy - Indian soldiers serving under British command, b) Raj - The British rule in India which started after the suppression of the Sepoy Rebellion and the disbandment of the East India Company, leading to direct rule from London, c) Nationalism - Advocacy for the rights and interests of a nation, which in India led to the formation of the Indian National Congress and the push for independence, and d) Viceroy - A colonial governor representing the British monarch in India, especially during the British Raj from 1858 to 1947.