D is the answer I believe
Generally speaking, Great Britain's thirteen colonies were divided into "north and south" areas, with the South's economy being almost entirely agricultural, and the north's being far more merchant-based.
Social distributuon is often used to advertise anything without an open market.
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 :))
