The British reformed the army after the revolt ended. Mention any four changes made in the army.

(1) The proportion of European to Indian soldiers was raised sharply — roughly one European to two Indians in the Bengal Army — and the number of Indian troops was reduced. (2) All the higher posts in the army and the artillery were reserved exclusively for Europeans; Indians were denied command positions and the artillery altogether. (3) The policy of "divide and rule" was applied to the army: regiments were organised on the basis of caste, community and region, and mixed so that the men of one group could be used against another. (4) Communities that had taken part in the Revolt — the Awadhis, Bengalis and others — were classified as non-martial and recruitment was shifted to the so-called "martial races" such as the Sikhs, Gurkhas and Pathans who had remained loyal.

Four marks, four distinct changes. Number them and keep each to a sentence or two. The organising idea to bring out is that every reform aimed to prevent another united rising: more Europeans, no Indian officers, no Indian artillery, and regiments deliberately divided by caste and region. Stating that purpose in your opening or closing line lifts the answer above a list. The "martial races" theory is the point most often omitted, and it is worth including precisely because it shows the political motive behind the change.