The Brahmaputra River has its source in the Himalayan mountains. It flows through Southern tibet in deep gorges. the Tibetan people are not able to live right next to the river banks because the sides of the gorge are too steep for human habitation.
Hope this help :))
B. Expand its influence and power around the world. I'm not sure if that's correct or not though.
Terra heleda hope this helps
William Penn, who was the first governor of Pennsylvania, founded it on the principles of it being a place where people of different religions could come and not be persecuted. So B would be the most likely answer to your question :)