The correct option is option 4, which means that statements 1, 2, and 4 are correct.

Statement 1 is true. The Deccan Riots of 1875 resulted in the enactment of the Deccan Agriculturalists Relief Act of 1879. This act provided protection for peasants and aimed to alleviate their grievances.

Statement 2 is true. The riots did not spread to the whole of Maharashtra because the British promptly suppressed them. This suggests that the British were successful in containing and preventing the spread of the riots.

Statement 3 is false. The British were able to contain the riots and prevent them from spreading throughout Maharashtra. Therefore, the statement that the riots spread throughout Maharashtra is incorrect.

Statement 4 is true. The cotton boom in the Deccan, which was a result of the artificial demand generated by the American Civil War, contributed to the impoverishment of the peasants. This suggests that the cotton boom had negative consequences for the peasants in the Deccan region.

In summary, the Deccan Riots of 1875 resulted in the Deccan Agriculturalists Relief Act of 1879, the riots were promptly suppressed by the British and did not spread throughout Maharashtra, and the cotton boom caused by the American Civil