What is forbidden between classes in Hinduism?

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Explanation:

The caste system as it exists today is thought to be the result of developments during the collapse of the Mughal era and the rise of the British colonial government in India. The collapse of the Mughal era saw the rise of powerful men who associated themselves with kings, priests and ascetics, affirming the regal and martial form of the caste ideal, and it also reshaped many apparently casteless social groups into differentiated caste communities. The British Raj furthered this development, making rigid caste organisation a central mechanism of administration. Between 1860 and 1920, the British formulated the caste system into their system of governance, granting administrative jobs and senior appointments only to Christians and people belonging to certain castes. Social unrest during the 1920s led to a change in this policy. From then on, the colonial administration began a policy of positive discrimination by reserving a certain percentage of government jobs for the lower castes. In 1948, negative discrimination on the basis of caste was banned by law and further enshrined in the Indian constitution; however, the system continues to be practiced in parts of India.

he sent troops to protect the students as they entered the school.

formulating the initial idea for the policy

answer is c.