Explanation: Calcutta, now known as Kolkata, was a major trading post for the British Empire in India. The East India Company, a British trading company, established its presence in Calcutta in the 17th century. The city's strategic location on the Hooghly River, a distributary of the Ganges, made it an ideal location for trade and commerce. The British recognized the potential of Calcutta as a trading hub and made it the capital of British India in 1773, replacing Madras.
The East India Company's operations in Calcutta were extensive and included the import and export of goods such as textiles, spices, and opium. The city became a center for the production and export of cotton and silk textiles, which were in high demand in Europe. The British also used Calcutta as a base for their military operations and administrative functions, further cementing its importance in the British colonial empire.
Calcutta's significance as a trading post was not just economic but also cultural and administrative. It became a melting pot of cultures, with a diverse population of British, Indians, and other ethnic groups. The city's infrastructure, including its port and railway systems, was developed to support its role as a major trading center.
In contrast, the other options listed do not fit the context of British trading posts in India. Goa was a Portuguese colony and not under British control. Macao, located in China, was a Portuguese territory and not a British trading post. Singapore, while a significant trading post for the British, was located in Southeast Asia and not in India.
Understanding the historical context of Calcutta as a major trading post for the British Empire in India is crucial for comprehending the economic and administrative strategies employed by the British during their colonial rule. This knowledge is essential for students studying West Bengal's history and the broader context of British colonialism in India.