The video explores Bangladesh's geography, focusing on its extensive water systems, including the Ganges and Brahmaputra rivers, which form the Padma River. These rivers enrich the soil, supporting agriculture and tribal communities like the Chakma in the Chittagong Hill Tracts. The video also covers the historical development of trade along these rivers, leading to cultural exchanges that shaped cities like Dhaka, which became a significant center during the Mughal Empire.

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