Which of the following issues did not contribute to the spread of the revolt of 1857?

To determine which of the following issues did not contribute to the spread of the revolt of 1857, we need to carefully analyze each option and eliminate the ones that did contribute.

1. Economic grievances: The economic grievances of the Indian soldiers, such as low pay and lack of career advancement, were one of the main factors that contributed to the revolt. Therefore, this issue did contribute to the spread of the revolt.

2. Religious tensions: Religious tensions, particularly the introduction of the new Enfield rifle cartridges greased with animal fat, which offended both Hindu and Muslim soldiers, played a significant role in sparking the revolt. Therefore, this issue did contribute to the spread of the revolt.

3. Sepoy mutinies: The mutinies of the Indian sepoys, or soldiers, were a central aspect of the revolt. Their dissatisfaction with various issues, including the economic and religious grievances mentioned above, led to the widespread rebellion. Therefore, this issue did contribute to the spread of the revolt.

4. British educational policies: British educational policies, such as the introduction of Western education and the undermining of traditional Indian education, did contribute to the growing discontent among the Indian population. This discontent played a role in the spread of the revolt. Therefore, this issue did contribute to the spread of the revolt.

Based on the analysis above, we can conclude that all of the mentioned issues contributed to the spread of the revolt of 1857.