Correct option is D
During the colonial period, India’s foreign trade was heavily controlled and structured to serve British economic interests. The British used India as a source of raw materials
• The Drain of Wealth theory, proposed by Dadabhai Naoroji, highlighted how colonial policies drained India's wealth to Britain, leading to economic impoverishment.
• Raw materials like cotton, indigo, and jute were exported to Britain.
• Colonial trade resulted in a net economic loss for India.
• Economic Impact: The colonial trade system disrupted local industries and led to the deindustrialization of India.