INDIAN HISTORY

Detailed explanation-1: -After their victory, the British proclaimed Mir Jafar as the Nawab of Bengal and got the right to free trade in Bengal, Bihar, and Orissa (now Odisha).

Detailed explanation-2: -The Carnatic Wars established British supremacy in trade in India. The Battle of Plassey laid the foundation of British Empire in India. The Battle of Buxar established the British as masters of Bengal, Bihar and Orissa and made them a great power of Northern India and contenders for the supremacy of the whole country.

Detailed explanation-3: -The British gradually took over Bengal and in 1757 the East India Company defeated the Nawab of Bengal at the Battle of Plassey. The British East India Company became the dominant power in Bengal and the EIC ruled Bengal for almost 200 years.

Detailed explanation-4: -The English refused to comply as they felt strong after their victory over the French in south India. Instead of agreeing to pay taxes on their goods to the Nawab, they levied heavy duties on Indian goods entering Calcutta which was under their control.