Final answer:
The British implemented social, economic, and administrative policies in India after 1857. They introduced Western education, aimed to end practices like slavery and the caste system, and established a closed economic system. They also created a centralized government and introduced English as a common language.
Step-by-step explanation:
The British in India implemented various social, economic, and administrative policies after 1857. Socially, they introduced Western education to modernize India and worked to end practices like slavery and the caste system. Economically, they aimed to exploit India's resources and established a closed economic system where India served as a captive market for British goods. Administratively, they created a centralized government that employed Sikhs in administrative positions and introduced English as a common language.